31671763357242 has 8 divisors (see below), whose sum is σ = 63343526714496. Its totient is φ = 10557254452412.

The previous prime is 31671763357237. The next prime is 31671763357271. The reversal of 31671763357242 is 24275336717613.

It is a sphenic number, since it is the product of 3 distinct primes.

31671763357242 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2639313613098 + ... + 2639313613109.

It is an arithmetic number, because the mean of its divisors is an integer number (7917940839312).

Almost surely, 2^{31671763357242} is an apocalyptic number.

31671763357242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

31671763357242 is a wasteful number, since it uses less digits than its factorization.

31671763357242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5278627226212.

The product of its digits is 26671680, while the sum is 57.

The spelling of 31671763357242 in words is "thirty-one trillion, six hundred seventy-one billion, seven hundred sixty-three million, three hundred fifty-seven thousand, two hundred forty-two".