13113331038 has 24 divisors (see below), whose sum is σ = 30083524848. Its totient is φ = 4113986112.

The previous prime is 13113331031. The next prime is 13113331039. The reversal of 13113331038 is 83013331131.

13113331038 is a `hidden beast` number, since 1 + 311 + 3 + 3 + 310 + 38 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13113331031) 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 11 ways as a sum of consecutive naturals, for example, 21426706 + ... + 21427317.

It is an arithmetic number, because the mean of its divisors is an integer number (1253480202).

Almost surely, 2^13113331038 is an apocalyptic number.

13113331038 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

13113331038 is an abundant number, since it is smaller than the sum of its proper divisors (16970193810).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13113331038 is a wasteful number, since it uses less digits than its factorization.

13113331038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42854048 (or 42854045 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

Adding to 13113331038 its reverse (83013331131), we get a palindrome (96126662169).

The spelling of 13113331038 in words is "thirteen billion, one hundred thirteen million, three hundred thirty-one thousand, thirty-eight".