13242131331 has 16 divisors (see below), whose sum is σ = 20742919680. Its totient is φ = 7408185120.

The previous prime is 13242131327. The next prime is 13242131347. The reversal of 13242131331 is 13313124231.

It is not a de Polignac number, because 13242131331 - 2² = 13242131327 is a prime.

It is a super-2 number, since 2×13242131331² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13242131131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15433291 + ... + 15434148.

It is an arithmetic number, because the mean of its divisors is an integer number (1296432480).

Almost surely, 2^13242131331 is an apocalyptic number.

13242131331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13242131331 is a deficient number, since it is larger than the sum of its proper divisors (7500788349).

13242131331 is a wasteful number, since it uses less digits than its factorization.

13242131331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30867466.

The product of its digits is 1296, while the sum is 24.

Adding to 13242131331 its reverse (13313124231), we get a palindrome (26555255562).

The spelling of 13242131331 in words is "thirteen billion, two hundred forty-two million, one hundred thirty-one thousand, three hundred thirty-one".