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31023132130300 = 22523373607255217
BaseRepresentation
bin1110000110111001000101…
…10001010011101111111100
311001211210010102022011020211
413003130202301103233330
513031240333311132200
6145551455151322204
76351230064120322
oct703344261235774
9131753112264224
1031023132130300
119980922352902
1235905a8220364
131440612c7a24b
14793755a77d12
1538beb224eaba
hex1c3722c53bfc

31023132130300 has 72 divisors (see below), whose sum is σ = 67538943696224. Its totient is φ = 12368951562240.

The previous prime is 31023132130297. The next prime is 31023132130301. The reversal of 31023132130300 is 303123132013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31023132130301) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 121428292 + ... + 121683508.

Almost surely, 231023132130300 is an apocalyptic number.

It is an amenable number.

31023132130300 is an abundant number, since it is smaller than the sum of its proper divisors (36515811565924).

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

31023132130300 is a wasteful number, since it uses less digits than its factorization.

31023132130300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259175 (or 259168 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 31023132130300 its reverse (303123132013), we get a palindrome (31326255262313).

The spelling of 31023132130300 in words is "thirty-one trillion, twenty-three billion, one hundred thirty-two million, one hundred thirty thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 337 674 1348 1685 3370 3607 6740 7214 8425 14428 16850 18035 33700 36070 72140 90175 180350 255217 360700 510434 1020868 1215559 1276085 2431118 2552170 4862236 5104340 6077795 6380425 12155590 12760850 24311180 25521700 30388975 60777950 86008129 121555900 172016258 344032516 430040645 860081290 920567719 1720162580 1841135438 2150203225 3682270876 4300406450 4602838595 8600812900 9205677190 18411354380 23014192975 46028385950 92056771900 310231321303 620462642606 1240925285212 1551156606515 3102313213030 6204626426060 7755783032575 15511566065150 31023132130300