31841337768 has 32 divisors (see below), whose sum is σ = 82171196160. Its totient is φ = 10271399040.

The previous prime is 31841337709. The next prime is 31841337779. The reversal of 31841337768 is 86773314813.

It is a self number, because there is not a number n which added to its sum of digits gives 31841337768.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21398005 + ... + 21399492.

It is an arithmetic number, because the mean of its divisors is an integer number (2567849880).

Almost surely, 2^31841337768 is an apocalyptic number.

It is an amenable number.

31841337768 is an abundant number, since it is smaller than the sum of its proper divisors (50329858392).

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

31841337768 is a wasteful number, since it uses less digits than its factorization.

31841337768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42797537 (or 42797533 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 51.

The spelling of 31841337768 in words is "thirty-one billion, eight hundred forty-one million, three hundred thirty-seven thousand, seven hundred sixty-eight".