31400250672 has 80 divisors (see below), whose sum is σ = 95696033792. Its totient is φ = 8682094080.

The previous prime is 31400250631. The next prime is 31400250689. The reversal of 31400250672 is 27605200413.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1496893 + ... + 1517724.

Almost surely, 2^31400250672 is an apocalyptic number.

It is an amenable number.

31400250672 is an abundant number, since it is smaller than the sum of its proper divisors (64295783120).

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

31400250672 is a wasteful number, since it uses less digits than its factorization.

31400250672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3014666 (or 3014660 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The spelling of 31400250672 in words is "thirty-one billion, four hundred million, two hundred fifty thousand, six hundred seventy-two".