131413113020042 has 128 divisors (see below), whose sum is σ = 242683177890816. Its totient is φ = 52092439805952.

The previous prime is 131413113019927. The next prime is 131413113020081. The reversal of 131413113020042 is 240020311314131.

It is a junction number, because it is equal to n+sod(n) for n = 131413113019993 and 131413113020020.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 18998567168 + ... + 18998574084.

It is an arithmetic number, because the mean of its divisors is an integer number (1895962327272).

Almost surely, 2^{131413113020042} is an apocalyptic number.

131413113020042 is a deficient number, since it is larger than the sum of its proper divisors (111270064870774).

131413113020042 is a wasteful number, since it uses less digits than its factorization.

131413113020042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12840.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 131413113020042 its reverse (240020311314131), we get a palindrome (371433424334173).

The spelling of 131413113020042 in words is "one hundred thirty-one trillion, four hundred thirteen billion, one hundred thirteen million, twenty thousand, forty-two".