31230666416 has 10 divisors (see below), whose sum is σ = 60509416212. Its totient is φ = 15615333200.

The previous prime is 31230666413. The next prime is 31230666499. The reversal of 31230666416 is 61466603213.

It is a self number, because there is not a number n which added to its sum of digits gives 31230666416.

It is not an unprimeable number, because it can be changed into a prime (31230666413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 975958310 + ... + 975958341.

Almost surely, 2^31230666416 is an apocalyptic number.

It is an amenable number.

31230666416 is a deficient number, since it is larger than the sum of its proper divisors (29278749796).

31230666416 is a wasteful number, since it uses less digits than its factorization.

31230666416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1951916659 (or 1951916653 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 38.

The spelling of 31230666416 in words is "thirty-one billion, two hundred thirty million, six hundred sixty-six thousand, four hundred sixteen".