131000304331242 has 36 divisors (see below), whose sum is σ = 290001503738466. Its totient is φ = 42737687924880.

The previous prime is 131000304331217. The next prime is 131000304331313. The reversal of 131000304331242 is 242133403000131.

It is a happy number.

131000304331242 is a `hidden beast` number, since 1 + 3 + 1 + 0 + 0 + 0 + 304 + 3 + 312 + 42 = 666.

It can be written as a sum of positive squares in only one way, i.e., 101548528882641 + 29451775448601 = 10077129^2 + 5426949^2 .

It is a super-2 number, since 2×131000304331242² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1647265509 + ... + 1647345032.

Almost surely, 2^{131000304331242} is an apocalyptic number.

131000304331242 is an abundant number, since it is smaller than the sum of its proper divisors (159001199407224).

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

131000304331242 is a wasteful number, since it uses less digits than its factorization.

131000304331242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3294610643 (or 3294610593 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 131000304331242 its reverse (242133403000131), we get a palindrome (373133707331373).

The spelling of 131000304331242 in words is "one hundred thirty-one trillion, three hundred four million, three hundred thirty-one thousand, two hundred forty-two".