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31300112000997 = 3271278814440437
BaseRepresentation
bin1110001110111101000000…
…00011101010011111100101
311002211021001121210110012100
413013132200003222133211
513100310112133012442
6150323023431242313
76410233645145250
oct707364003523745
9132737047713170
1031300112000997
119a78337261254
123616208219399
1314607847bc768
147a2d0d76c097
153942c397484c
hex1c77a00ea7e5

31300112000997 has 48 divisors (see below), whose sum is σ = 52135999598592. Its totient is φ = 17724799572480.

The previous prime is 31300112000951. The next prime is 31300112001001. The reversal of 31300112000997 is 79900021100313.

It is a happy number.

It is not a de Polignac number, because 31300112000997 - 211 = 31300111998949 is a prime.

It is a super-2 number, since 2×313001120009972 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31300112000197) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4828663 + ... + 9269099.

It is an arithmetic number, because the mean of its divisors is an integer number (1086166658304).

Almost surely, 231300112000997 is an apocalyptic number.

It is an amenable number.

31300112000997 is a deficient number, since it is larger than the sum of its proper divisors (20835887597595).

31300112000997 is a wasteful number, since it uses less digits than its factorization.

31300112000997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4441458 (or 4441455 counting only the distinct ones).

The product of its (nonzero) digits is 10206, while the sum is 36.

The spelling of 31300112000997 in words is "thirty-one trillion, three hundred billion, one hundred twelve million, nine hundred ninety-seven", and thus it is an aban number.

Divisors: 1 3 7 9 21 63 127 381 881 889 1143 2643 2667 6167 7929 8001 18501 55503 111887 335661 783209 1006983 2349627 4440437 7048881 13321311 31083059 39963933 93249177 279747531 563935499 1691806497 3912024997 3947548493 5075419491 11736074991 11842645479 27384174979 35208224973 35527936437 82152524937 246457574811 496827174619 1490481523857 3477790222333 4471444571571 10433370666999 31300112000997