131404040232 has 32 divisors (see below), whose sum is σ = 330685673280. Its totient is φ = 43511270400.

The previous prime is 131404040227. The next prime is 131404040233. The reversal of 131404040232 is 232040404131.

It is a super-2 number, since 2×131404040232² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (131404040233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18126073 + ... + 18133320.

It is an arithmetic number, because the mean of its divisors is an integer number (10333927290).

Almost surely, 2^131404040232 is an apocalyptic number.

131404040232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131404040232 is an abundant number, since it is smaller than the sum of its proper divisors (199281633048).

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

131404040232 is a wasteful number, since it uses less digits than its factorization.

131404040232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36259553 (or 36259549 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 131404040232 its reverse (232040404131), we get a palindrome (363444444363).

The spelling of 131404040232 in words is "one hundred thirty-one billion, four hundred four million, forty thousand, two hundred thirty-two".