31320355302313 has 24 divisors (see below), whose sum is σ = 39916637935200. Its totient is φ = 24300727053120.

The previous prime is 31320355302311. The next prime is 31320355302373.

31320355302313 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 31320355302313 - 2¹ = 31320355302311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31320355302311) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 124570263 + ... + 124821436.

It is an arithmetic number, because the mean of its divisors is an integer number (1663193247300).

Almost surely, 2^{31320355302313} is an apocalyptic number.

It is an amenable number.

31320355302313 is a deficient number, since it is larger than the sum of its proper divisors (8596282632887).

31320355302313 is a wasteful number, since it uses less digits than its factorization.

31320355302313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249391957 (or 249391950 counting only the distinct ones).

The product of its (nonzero) digits is 72900, while the sum is 34.

It can be divided in two parts, 3132035 and 5302313, that added together give a palindrome (8434348).

The spelling of 31320355302313 in words is "thirty-one trillion, three hundred twenty billion, three hundred fifty-five million, three hundred two thousand, three hundred thirteen".