131230544 has 20 divisors (see below), whose sum is σ = 259058196. Its totient is φ = 64376832.

The previous prime is 131230537. The next prime is 131230579. The reversal of 131230544 is 445032131.

It can be written as a sum of positive squares in 2 ways, for example, as 114746944 + 16483600 = 10712^2 + 4060^2 .

It is a congruent number.

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, 76529 + ... + 78224.

Almost surely, 2^131230544 is an apocalyptic number.

It is an amenable number.

131230544 is a deficient number, since it is larger than the sum of its proper divisors (127827652).

131230544 is a wasteful number, since it uses less digits than its factorization.

131230544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154814 (or 154808 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 131230544 is about 11455.5900764649. The cubic root of 131230544 is about 508.1730660459.

Adding to 131230544 its reverse (445032131), we get a palindrome (576262675).

The spelling of 131230544 in words is "one hundred thirty-one million, two hundred thirty thousand, five hundred forty-four".