131301524 has 12 divisors (see below), whose sum is σ = 233544948. Its totient is φ = 64574400.

The previous prime is 131301487. The next prime is 131301551. The reversal of 131301524 is 425103131.

It can be written as a sum of positive squares in 2 ways, for example, as 48163600 + 83137924 = 6940^2 + 9118^2 .

It is a super-3 number, since 3×131301524³ (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131301496 and 131301505.

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, 268817 + ... + 269304.

It is an arithmetic number, because the mean of its divisors is an integer number (19462079).

Almost surely, 2^131301524 is an apocalyptic number.

It is an amenable number.

131301524 is a deficient number, since it is larger than the sum of its proper divisors (102243424).

131301524 is a wasteful number, since it uses less digits than its factorization.

131301524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538186 (or 538184 counting only the distinct ones).

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

The square root of 131301524 is about 11458.6877084595. The cubic root of 131301524 is about 508.2646697785.

Adding to 131301524 its reverse (425103131), we get a palindrome (556404655).

The spelling of 131301524 in words is "one hundred thirty-one million, three hundred one thousand, five hundred twenty-four".