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31033101021330 = 2352990433944513
BaseRepresentation
bin1110000111001011101001…
…11101100111000010010010
311001212201212011112021220010
413003211310331213002102
513031421242330140310
6150000224303255350
76352032113234502
oct703456475470222
9131781764467803
1031033101021330
11998507854a221
12359250a8aa556
131441541394a35
1479401da1da02
1538c397515320
hex1c3974f67092

31033101021330 has 64 divisors (see below), whose sum is σ = 77056238770560. Its totient is φ = 7989246160896.

The previous prime is 31033101021289. The next prime is 31033101021341. The reversal of 31033101021330 is 3312010133013.

It is a super-2 number, since 2×310331010213302 (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31033101021297 and 31033101021306.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5895154 + ... + 9839666.

It is an arithmetic number, because the mean of its divisors is an integer number (1204003730790).

Almost surely, 231033101021330 is an apocalyptic number.

31033101021330 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

31033101021330 is an abundant number, since it is smaller than the sum of its proper divisors (46023137749230).

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

31033101021330 is a wasteful number, since it uses less digits than its factorization.

31033101021330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3953595.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 31033101021330 its reverse (3312010133013), we get a palindrome (34345111154343).

The spelling of 31033101021330 in words is "thirty-one trillion, thirty-three billion, one hundred one million, twenty-one thousand, three hundred thirty".

Divisors: 1 2 3 5 6 10 15 29 30 58 87 145 174 290 435 870 9043 18086 27129 45215 54258 90430 135645 262247 271290 524494 786741 1311235 1573482 2622470 3933705 3944513 7867410 7889026 11833539 19722565 23667078 39445130 59167695 114390877 118335390 228781754 343172631 571954385 686345262 1143908770 1715863155 3431726310 35670231059 71340462118 107010693177 178351155295 214021386354 356702310590 535053465885 1034436700711 1070106931770 2068873401422 3103310102133 5172183503555 6206620204266 10344367007110 15516550510665 31033101021330