13318892331 has 16 divisors (see below), whose sum is σ = 18250783488. Its totient is φ = 8633455200.

The previous prime is 13318892329. The next prime is 13318892351. The reversal of 13318892331 is 13329881331.

It is not a de Polignac number, because 13318892331 - 2¹ = 13318892329 is a prime.

It is a super-2 number, since 2×13318892331² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13318892351) 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, 128016 + ... + 207426.

It is an arithmetic number, because the mean of its divisors is an integer number (1140673968).

Almost surely, 2^13318892331 is an apocalyptic number.

13318892331 is a deficient number, since it is larger than the sum of its proper divisors (4931891157).

13318892331 is a wasteful number, since it uses less digits than its factorization.

13318892331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80962.

The product of its digits is 93312, while the sum is 42.

The spelling of 13318892331 in words is "thirteen billion, three hundred eighteen million, eight hundred ninety-two thousand, three hundred thirty-one".