131013524 has 6 divisors (see below), whose sum is σ = 229273674. Its totient is φ = 65506760.

The previous prime is 131013523. The next prime is 131013527. The reversal of 131013524 is 425310131.

It can be written as a sum of positive squares in only one way, i.e., 129732100 + 1281424 = 11390^2 + 1132^2 .

It is a junction number, because it is equal to n+sod(n) for n = 131013496 and 131013505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131013523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16376687 + ... + 16376694.

It is an arithmetic number, because the mean of its divisors is an integer number (38212279).

Almost surely, 2^131013524 is an apocalyptic number.

It is an amenable number.

131013524 is a deficient number, since it is larger than the sum of its proper divisors (98260150).

131013524 is a wasteful number, since it uses less digits than its factorization.

131013524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32753385 (or 32753383 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 131013524 is about 11446.1139256955. The cubic root of 131013524 is about 507.8927843255.

Adding to 131013524 its reverse (425310131), we get a palindrome (556323655).

The spelling of 131013524 in words is "one hundred thirty-one million, thirteen thousand, five hundred twenty-four".