131242244230400 has 54 divisors (see below), whose sum is σ = 324845061086742. Its totient is φ = 52496897689600.

The previous prime is 131242244230291. The next prime is 131242244230519. The reversal of 131242244230400 is 4032442242131.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 16306348524544 + 114935895705856 = 4038112^2 + 10720816^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10253293931 + ... + 10253306730.

Almost surely, 2^{131242244230400} is an apocalyptic number.

131242244230400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131242244230400 is an abundant number, since it is smaller than the sum of its proper divisors (193602816856342).

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

131242244230400 is an equidigital number, since it uses as much as digits as its factorization.

131242244230400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20506600687 (or 20506600668 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 131242244230400 its reverse (4032442242131), we get a palindrome (135274686472531).

The spelling of 131242244230400 in words is "one hundred thirty-one trillion, two hundred forty-two billion, two hundred forty-four million, two hundred thirty thousand, four hundred".