131403432121125 has 32 divisors (see below), whose sum is σ = 218684661466752. Its totient is φ = 70072423280000.

The previous prime is 131403432121099. The next prime is 131403432121133. The reversal of 131403432121125 is 521121234304131.

It is not a de Polignac number, because 131403432121125 - 2²³ = 131403423732517 is a prime.

It is a super-2 number, since 2×131403432121125² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20720112 + ... + 26308361.

It is an arithmetic number, because the mean of its divisors is an integer number (6833895670836).

Almost surely, 2^{131403432121125} is an apocalyptic number.

131403432121125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

131403432121125 is a deficient number, since it is larger than the sum of its proper divisors (87281229345627).

131403432121125 is an equidigital number, since it uses as much as digits as its factorization.

131403432121125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47035942 (or 47035932 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

Adding to 131403432121125 its reverse (521121234304131), we get a palindrome (652524666425256).

The spelling of 131403432121125 in words is "one hundred thirty-one trillion, four hundred three billion, four hundred thirty-two million, one hundred twenty-one thousand, one hundred twenty-five".