31323355332313 has 16 divisors (see below), whose sum is σ = 34600313079360. Its totient is φ = 28119448728000.

The previous prime is 31323355332253. The next prime is 31323355332343.

31323355332313 is nontrivially palindromic in base 10.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31323355332313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31323355332343) 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, 36773970 + ... + 37616107.

It is an arithmetic number, because the mean of its divisors is an integer number (2162519567460).

Almost surely, 2^{31323355332313} is an apocalyptic number.

It is an amenable number.

31323355332313 is a deficient number, since it is larger than the sum of its proper divisors (3276957747047).

31323355332313 is a wasteful number, since it uses less digits than its factorization.

31323355332313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74390568.

The product of its digits is 656100, while the sum is 40.

It can be divided in two parts, 3132335 and 5332313, that added together give a palindrome (8464648).

The spelling of 31323355332313 in words is "thirty-one trillion, three hundred twenty-three billion, three hundred fifty-five million, three hundred thirty-two thousand, three hundred thirteen".