31486316472 has 96 divisors (see below), whose sum is σ = 92997777600. Its totient is φ = 9565440768.

The previous prime is 31486316467. The next prime is 31486316489. The reversal of 31486316472 is 27461368413.

31486316472 is a `hidden beast` number, since 3 + 1 + 4 + 8 + 631 + 6 + 4 + 7 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 138963 + ... + 286850.

It is an arithmetic number, because the mean of its divisors is an integer number (968726850).

Almost surely, 2^31486316472 is an apocalyptic number.

It is an amenable number.

31486316472 is an abundant number, since it is smaller than the sum of its proper divisors (61511461128).

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

31486316472 is a wasteful number, since it uses less digits than its factorization.

31486316472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425917 (or 425910 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The spelling of 31486316472 in words is "thirty-one billion, four hundred eighty-six million, three hundred sixteen thousand, four hundred seventy-two".