131015524 has 6 divisors (see below), whose sum is σ = 229277174. Its totient is φ = 65507760.

The previous prime is 131015501. The next prime is 131015527. The reversal of 131015524 is 425510131.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 130690624 + 324900 = 11432^2 + 570^2 .

It is a junction number, because it is equal to n+sod(n) for n = 131015495 and 131015504.

It is not an unprimeable number, because it can be changed into a prime (131015527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16376937 + ... + 16376944.

Almost surely, 2^131015524 is an apocalyptic number.

It is an amenable number.

131015524 is a deficient number, since it is larger than the sum of its proper divisors (98261650).

131015524 is a wasteful number, since it uses less digits than its factorization.

131015524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32753885 (or 32753883 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 131015524 is about 11446.2012912582. The cubic root of 131015524 is about 507.8953687417.

Adding to 131015524 its reverse (425510131), we get a palindrome (556525655).

The spelling of 131015524 in words is "one hundred thirty-one million, fifteen thousand, five hundred twenty-four".