31329248316 has 12 divisors (see below), whose sum is σ = 73101579432. Its totient is φ = 10443082768.

The previous prime is 31329248299. The next prime is 31329248339. The reversal of 31329248316 is 61384292313.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 1305385335 + ... + 1305385358.

It is an arithmetic number, because the mean of its divisors is an integer number (6091798286).

Almost surely, 2^31329248316 is an apocalyptic number.

It is an amenable number.

31329248316 is an abundant number, since it is smaller than the sum of its proper divisors (41772331116).

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

31329248316 is a wasteful number, since it uses less digits than its factorization.

31329248316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2610770700 (or 2610770698 counting only the distinct ones).

The product of its digits is 186624, while the sum is 42.

The spelling of 31329248316 in words is "thirty-one billion, three hundred twenty-nine million, two hundred forty-eight thousand, three hundred sixteen".