31077964371 has 16 divisors (see below), whose sum is σ = 43595199648. Its totient is φ = 19667001600.

The previous prime is 31077964363. The next prime is 31077964391. The reversal of 31077964371 is 17346977013.

It is not a de Polignac number, because 31077964371 - 2³ = 31077964363 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31077964371.

It is not an unprimeable number, because it can be changed into a prime (31077964331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3409860 + ... + 3418961.

It is an arithmetic number, because the mean of its divisors is an integer number (2724699978).

Almost surely, 2^31077964371 is an apocalyptic number.

31077964371 is a deficient number, since it is larger than the sum of its proper divisors (12517235277).

31077964371 is a wasteful number, since it uses less digits than its factorization.

31077964371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6828902.

The product of its (nonzero) digits is 666792, while the sum is 48.

The spelling of 31077964371 in words is "thirty-one billion, seventy-seven million, nine hundred sixty-four thousand, three hundred seventy-one".