31990590934 has 16 divisors (see below), whose sum is σ = 50080665600. Its totient is φ = 15297270120.

The previous prime is 31990590859. The next prime is 31990590949. The reversal of 31990590934 is 43909509913.

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, 233017 + ... + 343915.

It is an arithmetic number, because the mean of its divisors is an integer number (3130041600).

Almost surely, 2^31990590934 is an apocalyptic number.

31990590934 is a deficient number, since it is larger than the sum of its proper divisors (18090074666).

31990590934 is a wasteful number, since it uses less digits than its factorization.

31990590934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117195.

The product of its (nonzero) digits is 1180980, while the sum is 52.

The spelling of 31990590934 in words is "thirty-one billion, nine hundred ninety million, five hundred ninety thousand, nine hundred thirty-four".