131201420231044 has 6 divisors (see below), whose sum is σ = 229602485404334. Its totient is φ = 65600710115520.

The previous prime is 131201420231009. The next prime is 131201420231087. The reversal of 131201420231044 is 440132024102131.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 130990085108100 + 211335122944 = 11445090^2 + 459712^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16400177528877 + ... + 16400177528884.

Almost surely, 2^{131201420231044} is an apocalyptic number.

It is an amenable number.

131201420231044 is a deficient number, since it is larger than the sum of its proper divisors (98401065173290).

131201420231044 is a wasteful number, since it uses less digits than its factorization.

131201420231044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32800355057765 (or 32800355057763 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 131201420231044 its reverse (440132024102131), we get a palindrome (571333444333175).

The spelling of 131201420231044 in words is "one hundred thirty-one trillion, two hundred one billion, four hundred twenty million, two hundred thirty-one thousand, forty-four".