131143122234120 has 64 divisors (see below), whose sum is σ = 393431454000000. Its totient is φ = 34971313724928.

The previous prime is 131143122234083. The next prime is 131143122234143. The reversal of 131143122234120 is 21432221341131.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 20604381 + ... + 26207379.

It is an arithmetic number, because the mean of its divisors is an integer number (6147366468750).

Almost surely, 2^{131143122234120} is an apocalyptic number.

131143122234120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131143122234120 is an abundant number, since it is smaller than the sum of its proper divisors (262288331765880).

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

131143122234120 is a wasteful number, since it uses less digits than its factorization.

131143122234120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5798062 (or 5798058 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

Adding to 131143122234120 its reverse (21432221341131), we get a palindrome (152575343575251).

The spelling of 131143122234120 in words is "one hundred thirty-one trillion, one hundred forty-three billion, one hundred twenty-two million, two hundred thirty-four thousand, one hundred twenty".