131241402120311 has 12 divisors (see below), whose sum is σ = 153443537184168. Its totient is φ = 111921601799952.

The previous prime is 131241402120173. The next prime is 131241402120343. The reversal of 131241402120311 is 113021204142131.

It is a happy number.

It is not a de Polignac number, because 131241402120311 - 2³⁰ = 131240328378487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131241402120011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6797949641 + ... + 6797968946.

It is an arithmetic number, because the mean of its divisors is an integer number (12786961432014).

Almost surely, 2^{131241402120311} is an apocalyptic number.

131241402120311 is a deficient number, since it is larger than the sum of its proper divisors (22202135063857).

131241402120311 is a wasteful number, since it uses less digits than its factorization.

131241402120311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13595918798 (or 13595918791 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

Adding to 131241402120311 its reverse (113021204142131), we get a palindrome (244262606262442).

The spelling of 131241402120311 in words is "one hundred thirty-one trillion, two hundred forty-one billion, four hundred two million, one hundred twenty thousand, three hundred eleven".