131115310131420 has 48 divisors (see below), whose sum is σ = 407914298188320. Its totient is φ = 34964082701568.

The previous prime is 131115310131319. The next prime is 131115310131427. The reversal of 131115310131420 is 24131013511131.

It is a happy number.

131115310131420 is a `hidden beast` number, since 1 + 3 + 1 + 1 + 15 + 310 + 1 + 314 + 20 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131115310131427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121403064397 + ... + 121403065476.

It is an arithmetic number, because the mean of its divisors is an integer number (8498214545590).

Almost surely, 2^{131115310131420} is an apocalyptic number.

131115310131420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131115310131420 is an abundant number, since it is smaller than the sum of its proper divisors (276798988056900).

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

131115310131420 is a wasteful number, since it uses less digits than its factorization.

131115310131420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242806129891 (or 242806129883 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

Adding to 131115310131420 its reverse (24131013511131), we get a palindrome (155246323642551).

The spelling of 131115310131420 in words is "one hundred thirty-one trillion, one hundred fifteen billion, three hundred ten million, one hundred thirty-one thousand, four hundred twenty".