31295377359213 has 16 divisors (see below), whose sum is σ = 45528022589952. Its totient is φ = 18963781326000.

The previous prime is 31295377359157. The next prime is 31295377359229.

It is a happy number.

31295377359213 is nontrivially palindromic in base 10.

It is a de Polignac number, because none of the positive numbers 2^k-31295377359213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31295377359313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77647033 + ... + 78049038.

It is an arithmetic number, because the mean of its divisors is an integer number (2845501411872).

Almost surely, 2^{31295377359213} is an apocalyptic number.

31295377359213 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

31295377359213 is a deficient number, since it is larger than the sum of its proper divisors (14232645230739).

31295377359213 is a wasteful number, since it uses less digits than its factorization.

31295377359213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155702176.

The product of its digits is 32148900, while the sum is 60.

The spelling of 31295377359213 in words is "thirty-one trillion, two hundred ninety-five billion, three hundred seventy-seven million, three hundred fifty-nine thousand, two hundred thirteen".