31542671197392 has 20 divisors (see below), whose sum is σ = 81485233926720. Its totient is φ = 10514223732448.

The previous prime is 31542671197357. The next prime is 31542671197459. The reversal of 31542671197392 is 29379117624513.

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, 328569491592 + ... + 328569491687.

It is an arithmetic number, because the mean of its divisors is an integer number (4074261696336).

Almost surely, 2^{31542671197392} is an apocalyptic number.

It is an amenable number.

31542671197392 is an abundant number, since it is smaller than the sum of its proper divisors (49942562729328).

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

31542671197392 is a wasteful number, since it uses less digits than its factorization.

31542671197392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657138983290 (or 657138983284 counting only the distinct ones).

The product of its digits is 17146080, while the sum is 60.

The spelling of 31542671197392 in words is "thirty-one trillion, five hundred forty-two billion, six hundred seventy-one million, one hundred ninety-seven thousand, three hundred ninety-two".