1232415531131 has 4 divisors (see below), whose sum is σ = 1304910562392. Its totient is φ = 1159920499872.

The previous prime is 1232415531107. The next prime is 1232415531133. The reversal of 1232415531131 is 1311355142321.

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 1232415531131 - 2¹⁰ = 1232415530107 is a prime.

It is a super-2 number, since 2×1232415531131² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1232415531133) 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, 36247515605 + ... + 36247515638.

It is an arithmetic number, because the mean of its divisors is an integer number (326227640598).

Almost surely, 2^{1232415531131} is an apocalyptic number.

1232415531131 is a deficient number, since it is larger than the sum of its proper divisors (72495031261).

1232415531131 is an equidigital number, since it uses as much as digits as its factorization.

1232415531131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72495031260.

The product of its digits is 10800, while the sum is 32.

The spelling of 1232415531131 in words is "one trillion, two hundred thirty-two billion, four hundred fifteen million, five hundred thirty-one thousand, one hundred thirty-one".