831902493311 has 32 divisors (see below), whose sum is σ = 891372351168. Its totient is φ = 773678202880.

The previous prime is 831902493263. The next prime is 831902493319. The reversal of 831902493311 is 113394209138.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-831902493311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (831902493319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 317397581 + ... + 317400201.

It is an arithmetic number, because the mean of its divisors is an integer number (27855385974).

Almost surely, 2^831902493311 is an apocalyptic number.

831902493311 is a deficient number, since it is larger than the sum of its proper divisors (59469857857).

831902493311 is a wasteful number, since it uses less digits than its factorization.

831902493311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3451.

The product of its (nonzero) digits is 139968, while the sum is 44.

The spelling of 831902493311 in words is "eight hundred thirty-one billion, nine hundred two million, four hundred ninety-three thousand, three hundred eleven".