31374703891013 has 8 divisors (see below), whose sum is σ = 35857366896960. Its totient is φ = 26892181497600.

The previous prime is 31374703891007. The next prime is 31374703891043. The reversal of 31374703891013 is 31019830747313.

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

It is a cyclic number.

It is not a de Polignac number, because 31374703891013 - 2⁶ = 31374703890949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31374703891043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34674563 + ... + 35567888.

It is an arithmetic number, because the mean of its divisors is an integer number (4482170862120).

Almost surely, 2^{31374703891013} is an apocalyptic number.

It is an amenable number.

31374703891013 is a deficient number, since it is larger than the sum of its proper divisors (4482663005947).

31374703891013 is an equidigital number, since it uses as much as digits as its factorization.

31374703891013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70306267.

The product of its (nonzero) digits is 1143072, while the sum is 50.

The spelling of 31374703891013 in words is "thirty-one trillion, three hundred seventy-four billion, seven hundred three million, eight hundred ninety-one thousand, thirteen".