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31030230313302 = 231129101659243577
BaseRepresentation
bin1110000111000110010011…
…10110101110100101010110
311001212110110002210012210120
413003203021312232211112
513031344402430011202
6145555031354132410
76351601014513363
oct703431166564526
9131773402705716
1031030230313302
119983935067850
123591a49421106
1314411a470b92c
14793c2a67146a
1538c27a4b00bc
hex1c38c9dae956

31030230313302 has 128 divisors (see below), whose sum is σ = 70837938547200. Its totient is φ = 8975288448000.

The previous prime is 31030230313267. The next prime is 31030230313333. The reversal of 31030230313302 is 20331303203013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 127272138 + ... + 127515714.

It is an arithmetic number, because the mean of its divisors is an integer number (553421394900).

Almost surely, 231030230313302 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31030230313302, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35418969273600).

31030230313302 is an abundant number, since it is smaller than the sum of its proper divisors (39807708233898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31030230313302 is a wasteful number, since it uses less digits than its factorization.

31030230313302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244382.

The product of its (nonzero) digits is 2916, while the sum is 24.

Adding to 31030230313302 its reverse (20331303203013), we get a palindrome (51361533516315).

The spelling of 31030230313302 in words is "thirty-one trillion, thirty billion, two hundred thirty million, three hundred thirteen thousand, three hundred two".

Divisors: 1 2 3 6 11 22 29 33 58 66 87 101 174 202 303 319 606 638 659 957 1111 1318 1914 1977 2222 2929 3333 3954 5858 6666 7249 8787 14498 17574 19111 21747 32219 38222 43494 57333 64438 66559 96657 114666 133118 193314 199677 210221 243577 399354 420442 487154 630663 730731 732149 1261326 1461462 1464298 1930211 2196447 2679347 3860422 4392894 5358694 5790633 7063733 8038041 11581266 14127466 16076082 21191199 21232321 24601277 42382398 42464642 49202554 63696963 73803831 77701063 127393926 147607662 155402126 160517243 233103189 270614047 321034486 466206378 481551729 541228094 713437033 811842141 963103458 1426874066 1623684282 1765689673 2140311099 3531379346 4280622198 4655000047 5297069019 7847807363 9310000094 10594138038 13965000141 15695614726 16212241543 23543422089 27930000282 32424483086 47086844178 48636724629 51205000517 97273449258 102410001034 153615001551 178334656973 307230003102 356669313946 470155004747 535003970919 940310009494 1070007941838 1410465014241 2820930028482 5171705052217 10343410104434 15515115156651 31030230313302