131143302432 has 72 divisors (see below), whose sum is σ = 373655007180. Its totient is φ = 43630479360.

The previous prime is 131143302431. The next prime is 131143302469. The reversal of 131143302432 is 234203341131.

It is a happy number.

131143302432 is a `hidden beast` number, since 1 + 311 + 4 + 3 + 302 + 43 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 131133791376 + 9511056 = 362124^2 + 3084^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×131143302432² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131143302396 and 131143302405.

It is not an unprimeable number, because it can be changed into a prime (131143302431) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 286957 + ... + 587052.

Almost surely, 2^131143302432 is an apocalyptic number.

131143302432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131143302432 is an abundant number, since it is smaller than the sum of its proper divisors (242511704748).

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

131143302432 is a wasteful number, since it uses less digits than its factorization.

131143302432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 874546 (or 874535 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 131143302432 its reverse (234203341131), we get a palindrome (365346643563).

The spelling of 131143302432 in words is "one hundred thirty-one billion, one hundred forty-three million, three hundred two thousand, four hundred thirty-two".