13320310002531 has 16 divisors (see below), whose sum is σ = 20331054495744. Its totient is φ = 7599065995584.

The previous prime is 13320310002491. The next prime is 13320310002599. The reversal of 13320310002531 is 13520001302331.

It is not a de Polignac number, because 13320310002531 - 2²⁶ = 13320242893667 is a prime.

It is a super-2 number, since 2×13320310002531² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13320310002931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 522475290 + ... + 522500783.

It is an arithmetic number, because the mean of its divisors is an integer number (1270690905984).

Almost surely, 2^{13320310002531} is an apocalyptic number.

13320310002531 is a deficient number, since it is larger than the sum of its proper divisors (7010744493213).

13320310002531 is a wasteful number, since it uses less digits than its factorization.

13320310002531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1044976690.

The product of its (nonzero) digits is 1620, while the sum is 24.

Adding to 13320310002531 its reverse (13520001302331), we get a palindrome (26840311304862).

The spelling of 13320310002531 in words is "thirteen trillion, three hundred twenty billion, three hundred ten million, two thousand, five hundred thirty-one".