31320364413 has 16 divisors (see below), whose sum is σ = 45045519680. Its totient is φ = 19242918144.

The previous prime is 31320364391. The next prime is 31320364483. The reversal of 31320364413 is 31446302313.

It is not a de Polignac number, because 31320364413 - 2⁶ = 31320364349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31320364483) 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, 624556 + ... + 672837.

It is an arithmetic number, because the mean of its divisors is an integer number (2815344980).

Almost surely, 2^31320364413 is an apocalyptic number.

It is an amenable number.

31320364413 is a deficient number, since it is larger than the sum of its proper divisors (13725155267).

31320364413 is a wasteful number, since it uses less digits than its factorization.

31320364413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1298028.

The product of its (nonzero) digits is 15552, while the sum is 30.

Adding to 31320364413 its reverse (31446302313), we get a palindrome (62766666726).

The spelling of 31320364413 in words is "thirty-one billion, three hundred twenty million, three hundred sixty-four thousand, four hundred thirteen".