31830495672 has 32 divisors (see below), whose sum is σ = 79847848080. Its totient is φ = 10573950720.

The previous prime is 31830495667. The next prime is 31830495689. The reversal of 31830495672 is 27659403813.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

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, 2256229 + ... + 2270292.

It is a 1-persistent number, because it is pandigital, but 2⋅31830495672 = 63660991344 is not.

Almost surely, 2^31830495672 is an apocalyptic number.

It is an amenable number.

31830495672 is an abundant number, since it is smaller than the sum of its proper divisors (48017352408).

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

31830495672 is a wasteful number, since it uses less digits than its factorization.

31830495672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4526823 (or 4526819 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 48.

The spelling of 31830495672 in words is "thirty-one billion, eight hundred thirty million, four hundred ninety-five thousand, six hundred seventy-two".