31996948632 has 96 divisors (see below), whose sum is σ = 92553316800. Its totient is φ = 9185711040.

The previous prime is 31996948631. The next prime is 31996948673. The reversal of 31996948632 is 23684969913.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31996948631) 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 23 ways as a sum of consecutive naturals, for example, 234778 + ... + 345129.

It is an arithmetic number, because the mean of its divisors is an integer number (964097050).

Almost surely, 2^31996948632 is an apocalyptic number.

It is an amenable number.

31996948632 is an abundant number, since it is smaller than the sum of its proper divisors (60556368168).

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

31996948632 is a wasteful number, since it uses less digits than its factorization.

31996948632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579957 (or 579942 counting only the distinct ones).

The product of its digits is 15116544, while the sum is 60.

The spelling of 31996948632 in words is "thirty-one billion, nine hundred ninety-six million, nine hundred forty-eight thousand, six hundred thirty-two".