31374664892 has 12 divisors (see below), whose sum is σ = 56389600680. Its totient is φ = 15263350416.

The previous prime is 31374664861. The next prime is 31374664921. The reversal of 31374664892 is 29846647313.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105995342 + ... + 105995637.

It is an arithmetic number, because the mean of its divisors is an integer number (4699133390).

Almost surely, 2^31374664892 is an apocalyptic number.

It is an amenable number.

31374664892 is a deficient number, since it is larger than the sum of its proper divisors (25014935788).

31374664892 is a wasteful number, since it uses less digits than its factorization.

31374664892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211991020 (or 211991018 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 53.

The spelling of 31374664892 in words is "thirty-one billion, three hundred seventy-four million, six hundred sixty-four thousand, eight hundred ninety-two".