31240321314013 has 12 divisors (see below), whose sum is σ = 36393989562720. Its totient is φ = 26738212650072.

The previous prime is 31240321314011. The next prime is 31240321314053. The reversal of 31240321314013 is 31041312304213.

It is not a de Polignac number, because 31240321314013 - 2¹ = 31240321314011 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 (31240321314011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 466699753 + ... + 466766686.

It is an arithmetic number, because the mean of its divisors is an integer number (3032832463560).

Almost surely, 2^{31240321314013} is an apocalyptic number.

It is an amenable number.

31240321314013 is a deficient number, since it is larger than the sum of its proper divisors (5153668248707).

31240321314013 is an equidigital number, since it uses as much as digits as its factorization.

31240321314013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 933467136 (or 933467129 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 31240321314013 its reverse (31041312304213), we get a palindrome (62281633618226).

The spelling of 31240321314013 in words is "thirty-one trillion, two hundred forty billion, three hundred twenty-one million, three hundred fourteen thousand, thirteen".