13320000031031 has 4 divisors (see below), whose sum is σ = 13349146639872. Its totient is φ = 13290853422192.

The previous prime is 13320000031027. The next prime is 13320000031157. The reversal of 13320000031031 is 13013000002331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13320000031031 - 2² = 13320000031027 is a prime.

It is a super-2 number, since 2×13320000031031² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13320000031021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14573303735 + ... + 14573304648.

It is an arithmetic number, because the mean of its divisors is an integer number (3337286659968).

Almost surely, 2^{13320000031031} is an apocalyptic number.

13320000031031 is a deficient number, since it is larger than the sum of its proper divisors (29146608841).

13320000031031 is an equidigital number, since it uses as much as digits as its factorization.

13320000031031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29146608840.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 13320000031031 its reverse (13013000002331), we get a palindrome (26333000033362).

The spelling of 13320000031031 in words is "thirteen trillion, three hundred twenty billion, thirty-one thousand, thirty-one".