31678161307332 has 48 divisors (see below), whose sum is σ = 76486271655360. Its totient is φ = 10192371057792.

The previous prime is 31678161307327. The next prime is 31678161307333. The reversal of 31678161307332 is 23370316187613.

It is not an unprimeable number, because it can be changed into a prime (31678161307333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11717398 + ... + 14165229.

It is an arithmetic number, because the mean of its divisors is an integer number (1593463992820).

Almost surely, 2^{31678161307332} is an apocalyptic number.

It is an amenable number.

31678161307332 is an abundant number, since it is smaller than the sum of its proper divisors (44808110348028).

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

31678161307332 is a wasteful number, since it uses less digits than its factorization.

31678161307332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25886180 (or 25886178 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 51.

The spelling of 31678161307332 in words is "thirty-one trillion, six hundred seventy-eight billion, one hundred sixty-one million, three hundred seven thousand, three hundred thirty-two".