131232333402432 has 84 divisors (see below), whose sum is σ = 376155872135316. Its totient is φ = 43743868876800.

The previous prime is 131232333402409. The next prime is 131232333402487. The reversal of 131232333402432 is 234204333232131.

131232333402432 is a `hidden beast` number, since 1 + 3 + 1 + 232 + 33 + 340 + 24 + 32 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 56706683187456 + 74525650214976 = 7530384^2 + 8632824^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 125251932 + ... + 126295332.

It is an arithmetic number, because the mean of its divisors is an integer number (4478046096849).

Almost surely, 2^{131232333402432} is an apocalyptic number.

131232333402432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131232333402432 is an abundant number, since it is smaller than the sum of its proper divisors (244923538732884).

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

131232333402432 is a wasteful number, since it uses less digits than its factorization.

131232333402432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1261776 (or 1261763 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 36.

Adding to 131232333402432 its reverse (234204333232131), we get a palindrome (365436666634563).

The spelling of 131232333402432 in words is "one hundred thirty-one trillion, two hundred thirty-two billion, three hundred thirty-three million, four hundred two thousand, four hundred thirty-two".