131143113032442 has 16 divisors (see below), whose sum is σ = 299755686931392. Its totient is φ = 37469460866400.

The previous prime is 131143113032423. The next prime is 131143113032521. The reversal of 131143113032442 is 244230311341131.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1561227536059 + ... + 1561227536142.

It is an arithmetic number, because the mean of its divisors is an integer number (18734730433212).

Almost surely, 2^{131143113032442} is an apocalyptic number.

131143113032442 is an abundant number, since it is smaller than the sum of its proper divisors (168612573898950).

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

131143113032442 is a wasteful number, since it uses less digits than its factorization.

131143113032442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3122455072213.

The product of its (nonzero) digits is 20736, while the sum is 33.

Adding to 131143113032442 its reverse (244230311341131), we get a palindrome (375373424373573).

The spelling of 131143113032442 in words is "one hundred thirty-one trillion, one hundred forty-three billion, one hundred thirteen million, thirty-two thousand, four hundred forty-two".