131420113131420 has 48 divisors (see below), whose sum is σ = 408862574188320. Its totient is φ = 35045363501568.

The previous prime is 131420113131367. The next prime is 131420113131443. The reversal of 131420113131420 is 24131311024131.

131420113131420 is a `hidden beast` number, since 1 + 3 + 1 + 4 + 201 + 1 + 3 + 1 + 31 + 420 = 666.

It is a super-2 number, since 2×131420113131420² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121685289397 + ... + 121685290476.

It is an arithmetic number, because the mean of its divisors is an integer number (8517970295590).

Almost surely, 2^{131420113131420} is an apocalyptic number.

131420113131420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131420113131420 is an abundant number, since it is smaller than the sum of its proper divisors (277442461056900).

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

131420113131420 is a wasteful number, since it uses less digits than its factorization.

131420113131420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243370579891 (or 243370579883 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

Adding to 131420113131420 its reverse (24131311024131), we get a palindrome (155551424155551).

The spelling of 131420113131420 in words is "one hundred thirty-one trillion, four hundred twenty billion, one hundred thirteen million, one hundred thirty-one thousand, four hundred twenty".