31486032032 has 48 divisors (see below), whose sum is σ = 76293084672. Its totient is φ = 12456011520.

The previous prime is 31486032031. The next prime is 31486032037. The reversal of 31486032032 is 23023068413.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 31486032032.

It is not an unprimeable number, because it can be changed into a prime (31486032031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5403344 + ... + 5409167.

It is an arithmetic number, because the mean of its divisors is an integer number (1589439264).

Almost surely, 2^31486032032 is an apocalyptic number.

31486032032 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

31486032032 is an abundant number, since it is smaller than the sum of its proper divisors (44807052640).

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

31486032032 is a wasteful number, since it uses less digits than its factorization.

31486032032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10812541 (or 10812533 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

The spelling of 31486032032 in words is "thirty-one billion, four hundred eighty-six million, thirty-two thousand, thirty-two".