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10231260831 = 3211375994663
BaseRepresentation
bin10011000011101010…
…01010011010011111
3222102000220220100100
421201311022122133
5131423200321311
64411123232143
7511353165531
oct114165123237
928360826310
1010231260831
114380309770
121b96518653
13c7089b5bc
146d0b61851
153ed33ea56
hex261d4a69f

10231260831 has 48 divisors (see below), whose sum is σ = 16588915200. Its totient is φ = 6021812160.

The previous prime is 10231260797. The next prime is 10231260839. The reversal of 10231260831 is 13806213201.

It is a happy number.

10231260831 is a `hidden beast` number, since 1 + 0 + 23 + 1 + 2 + 608 + 31 = 666.

It is not a de Polignac number, because 10231260831 - 217 = 10231129759 is a prime.

It is a super-2 number, since 2×102312608312 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10231260795 and 10231260804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10231260839) 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, 2191806 + ... + 2196468.

It is an arithmetic number, because the mean of its divisors is an integer number (345602400).

Almost surely, 210231260831 is an apocalyptic number.

10231260831 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10231260831 is a deficient number, since it is larger than the sum of its proper divisors (6357654369).

10231260831 is a wasteful number, since it uses less digits than its factorization.

10231260831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5316 (or 5313 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The spelling of 10231260831 in words is "ten billion, two hundred thirty-one million, two hundred sixty thousand, eight hundred thirty-one".

Divisors: 1 3 9 11 33 37 99 111 333 407 599 1221 1797 3663 4663 5391 6589 13989 19767 22163 41967 51293 59301 66489 153879 172531 199467 243793 461637 517593 731379 1552779 1897841 2194137 2793137 5693523 8379411 17080569 25138233 30724507 92173521 103346069 276520563 310038207 930114621 1136806759 3410420277 10231260831