131445224362 has 16 divisors (see below), whose sum is σ = 203764227912. Its totient is φ = 63552186880.

The previous prime is 131445224341. The next prime is 131445224371. The reversal of 131445224362 is 263422544131.

It can be written as a sum of positive squares in 4 ways, for example, as 16558799761 + 114886424601 = 128681^2 + 338949^2 .

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, 7083613 + ... + 7102144.

Almost surely, 2^131445224362 is an apocalyptic number.

131445224362 is a deficient number, since it is larger than the sum of its proper divisors (72319003550).

131445224362 is a wasteful number, since it uses less digits than its factorization.

131445224362 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14185913.

The product of its digits is 138240, while the sum is 37.

Adding to 131445224362 its reverse (263422544131), we get a palindrome (394867768493).

The spelling of 131445224362 in words is "one hundred thirty-one billion, four hundred forty-five million, two hundred twenty-four thousand, three hundred sixty-two".