31368525416 has 16 divisors (see below), whose sum is σ = 58868376000. Its totient is φ = 15670291824.

The previous prime is 31368525389. The next prime is 31368525421. The reversal of 31368525416 is 61452586313.

It is a happy 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, 1736816 + ... + 1754783.

It is an arithmetic number, because the mean of its divisors is an integer number (3679273500).

Almost surely, 2^31368525416 is an apocalyptic number.

It is an amenable number.

31368525416 is a deficient number, since it is larger than the sum of its proper divisors (27499850584).

31368525416 is a wasteful number, since it uses less digits than its factorization.

31368525416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3492728 (or 3492724 counting only the distinct ones).

The product of its digits is 518400, while the sum is 44.

The spelling of 31368525416 in words is "thirty-one billion, three hundred sixty-eight million, five hundred twenty-five thousand, four hundred sixteen".