31660385048 has 16 divisors (see below), whose sum is σ = 59718692880. Its totient is φ = 15735400288.

The previous prime is 31660385039. The next prime is 31660385069. The reversal of 31660385048 is 84058306613.

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, 11847611 + ... + 11850282.

It is an arithmetic number, because the mean of its divisors is an integer number (3732418305).

Almost surely, 2^31660385048 is an apocalyptic number.

It is an amenable number.

31660385048 is a deficient number, since it is larger than the sum of its proper divisors (28058307832).

31660385048 is a wasteful number, since it uses less digits than its factorization.

31660385048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23698066 (or 23698062 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 44.

The spelling of 31660385048 in words is "thirty-one billion, six hundred sixty million, three hundred eighty-five thousand, forty-eight".