13119885631 has 4 divisors (see below), whose sum is σ = 13177682712. Its totient is φ = 13062088552.

The previous prime is 13119885629. The next prime is 13119885659. The reversal of 13119885631 is 13658891131.

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 13119885631 - 2¹ = 13119885629 is a prime.

It is a super-2 number, since 2×13119885631² (a number of 21 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 (13119885661) 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, 28898200 + ... + 28898653.

It is an arithmetic number, because the mean of its divisors is an integer number (3294420678).

Almost surely, 2^13119885631 is an apocalyptic number.

13119885631 is a deficient number, since it is larger than the sum of its proper divisors (57797081).

13119885631 is an equidigital number, since it uses as much as digits as its factorization.

13119885631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57797080.

The product of its digits is 155520, while the sum is 46.

The spelling of 13119885631 in words is "thirteen billion, one hundred nineteen million, eight hundred eighty-five thousand, six hundred thirty-one".