31483305812 has 24 divisors (see below), whose sum is σ = 63544293120. Its totient is φ = 13369056480.

The previous prime is 31483305797. The next prime is 31483305823. The reversal of 31483305812 is 21850338413.

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, 5154764 + ... + 5160867.

It is an arithmetic number, because the mean of its divisors is an integer number (2647678880).

Almost surely, 2^31483305812 is an apocalyptic number.

It is an amenable number.

31483305812 is an abundant number, since it is smaller than the sum of its proper divisors (32060987308).

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

31483305812 is a wasteful number, since it uses less digits than its factorization.

31483305812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10315751 (or 10315749 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 38.

The spelling of 31483305812 in words is "thirty-one billion, four hundred eighty-three million, three hundred five thousand, eight hundred twelve".