13231232131 has 8 divisors (see below), whose sum is σ = 14275365104. Its totient is φ = 12190862880.

The previous prime is 13231232111. The next prime is 13231232143. The reversal of 13231232131 is 13123213231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13231232131 - 2²³ = 13222843523 is a prime.

It is a super-2 number, since 2×13231232131² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13231232111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 933621 + ... + 947686.

It is an arithmetic number, because the mean of its divisors is an integer number (1784420638).

Almost surely, 2^13231232131 is an apocalyptic number.

13231232131 is a deficient number, since it is larger than the sum of its proper divisors (1044132973).

13231232131 is a wasteful number, since it uses less digits than its factorization.

13231232131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1881861.

The product of its digits is 648, while the sum is 22.

Adding to 13231232131 its reverse (13123213231), we get a palindrome (26354445362).

The spelling of 13231232131 in words is "thirteen billion, two hundred thirty-one million, two hundred thirty-two thousand, one hundred thirty-one".