13526712331 has 6 divisors (see below), whose sum is σ = 14868204596. Its totient is φ = 12297011100.

The previous prime is 13526712323. The next prime is 13526712379. The reversal of 13526712331 is 13321762531.

It is not a de Polignac number, because 13526712331 - 2³ = 13526712323 is a prime.

It is a super-2 number, since 2×13526712331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13526712301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55895385 + ... + 55895626.

Almost surely, 2^13526712331 is an apocalyptic number.

13526712331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13526712331 is a deficient number, since it is larger than the sum of its proper divisors (1341492265).

13526712331 is a wasteful number, since it uses less digits than its factorization.

13526712331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111791033 (or 111791022 counting only the distinct ones).

The product of its digits is 22680, while the sum is 34.

The spelling of 13526712331 in words is "thirteen billion, five hundred twenty-six million, seven hundred twelve thousand, three hundred thirty-one".