31690606296 has 32 divisors (see below), whose sum is σ = 80525314800. Its totient is φ = 10390362240.

The previous prime is 31690606289. The next prime is 31690606333. The reversal of 31690606296 is 69260609613.

It is a happy number.

It is a congruent number.

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, 10821831 + ... + 10824758.

Almost surely, 2^31690606296 is an apocalyptic number.

It is an amenable number.

31690606296 is an abundant number, since it is smaller than the sum of its proper divisors (48834708504).

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

31690606296 is a wasteful number, since it uses less digits than its factorization.

31690606296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21646659 (or 21646655 counting only the distinct ones).

The product of its (nonzero) digits is 629856, while the sum is 48.

The spelling of 31690606296 in words is "thirty-one billion, six hundred ninety million, six hundred six thousand, two hundred ninety-six".