232505112131013 has 4 divisors (see below), whose sum is σ = 310006816174688. Its totient is φ = 155003408087340.

The previous prime is 232505112130969. The next prime is 232505112131051. The reversal of 232505112131013 is 310131211505232.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 232505112131013 - 2²² = 232505107936709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232505112131053) 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, 38750852021833 + ... + 38750852021838.

It is an arithmetic number, because the mean of its divisors is an integer number (77501704043672).

Almost surely, 2^{232505112131013} is an apocalyptic number.

It is an amenable number.

232505112131013 is a deficient number, since it is larger than the sum of its proper divisors (77501704043675).

232505112131013 is an equidigital number, since it uses as much as digits as its factorization.

232505112131013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77501704043674.

The product of its (nonzero) digits is 5400, while the sum is 30.

Adding to 232505112131013 its reverse (310131211505232), we get a palindrome (542636323636245).

The spelling of 232505112131013 in words is "two hundred thirty-two trillion, five hundred five billion, one hundred twelve million, one hundred thirty-one thousand, thirteen".