131310523 has 2 divisors, whose sum is σ = 131310524. Its totient is φ = 131310522.

The previous prime is 131310503. The next prime is 131310541. The reversal of 131310523 is 325013131.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131310523 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131310523.

It is not a weakly prime, because it can be changed into another prime (131310503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65655261 + 65655262.

It is an arithmetic number, because the mean of its divisors is an integer number (65655262).

Almost surely, 2^131310523 is an apocalyptic number.

131310523 is a deficient number, since it is larger than the sum of its proper divisors (1).

131310523 is an equidigital number, since it uses as much as digits as its factorization.

131310523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 131310523 is about 11459.0803732237. The cubic root of 131310523 is about 508.2762811422.

Adding to 131310523 its reverse (325013131), we get a palindrome (456323654).

The spelling of 131310523 in words is "one hundred thirty-one million, three hundred ten thousand, five hundred twenty-three".