131423524 has 12 divisors (see below), whose sum is σ = 233761948. Its totient is φ = 64634400.

The previous prime is 131423483. The next prime is 131423599. The reversal of 131423524 is 425324131.

It can be written as a sum of positive squares in 2 ways, for example, as 57153600 + 74269924 = 7560^2 + 8618^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 269067 + ... + 269554.

Almost surely, 2^131423524 is an apocalyptic number.

It is an amenable number.

131423524 is a deficient number, since it is larger than the sum of its proper divisors (102338424).

131423524 is a wasteful number, since it uses less digits than its factorization.

131423524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538686 (or 538684 counting only the distinct ones).

The product of its digits is 2880, while the sum is 25.

The square root of 131423524 is about 11464.0099441688. The cubic root of 131423524 is about 508.4220406211.

Adding to 131423524 its reverse (425324131), we get a palindrome (556747655).

The spelling of 131423524 in words is "one hundred thirty-one million, four hundred twenty-three thousand, five hundred twenty-four".