131420031244400 has 60 divisors (see below), whose sum is σ = 334309367732832. Its totient is φ = 49475776465920.

The previous prime is 131420031244399. The next prime is 131420031244487. The reversal of 131420031244400 is 4442130024131.

It is a super-2 number, since 2×131420031244400² (a number of 29 digits) contains 22 as substring.

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, 9663230792 + ... + 9663244391.

Almost surely, 2^{131420031244400} is an apocalyptic number.

131420031244400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131420031244400 is an abundant number, since it is smaller than the sum of its proper divisors (202889336488432).

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

131420031244400 is a wasteful number, since it uses less digits than its factorization.

131420031244400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19326475218 (or 19326475207 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 131420031244400 its reverse (4442130024131), we get a palindrome (135862161268531).

The spelling of 131420031244400 in words is "one hundred thirty-one trillion, four hundred twenty billion, thirty-one million, two hundred forty-four thousand, four hundred".