131403400403232 has 48 divisors (see below), whose sum is σ = 352272945773952. Its totient is φ = 42869194456320.

The previous prime is 131403400403227. The next prime is 131403400403273. The reversal of 131403400403232 is 232304004304131.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×131403400403232² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 131403400403232.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14561542519 + ... + 14561551542.

It is an arithmetic number, because the mean of its divisors is an integer number (7339019703624).

Almost surely, 2^{131403400403232} is an apocalyptic number.

131403400403232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131403400403232 is an abundant number, since it is smaller than the sum of its proper divisors (220869545370720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131403400403232 is a wasteful number, since it uses less digits than its factorization.

131403400403232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29123094121 (or 29123094113 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 131403400403232 its reverse (232304004304131), we get a palindrome (363707404707363).

The spelling of 131403400403232 in words is "one hundred thirty-one trillion, four hundred three billion, four hundred million, four hundred three thousand, two hundred thirty-two".