131026523 has 2 divisors, whose sum is σ = 131026524. Its totient is φ = 131026522.

The previous prime is 131026517. The next prime is 131026537. The reversal of 131026523 is 325620131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131026523 - 2⁴ = 131026507 is a prime.

It is not a weakly prime, because it can be changed into another prime (131026513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65513261 + 65513262.

It is an arithmetic number, because the mean of its divisors is an integer number (65513262).

Almost surely, 2^131026523 is an apocalyptic number.

131026523 is a deficient number, since it is larger than the sum of its proper divisors (1).

131026523 is an equidigital number, since it uses as much as digits as its factorization.

131026523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 131026523 is about 11446.6817462529. The cubic root of 131026523 is about 507.9095812682.

Adding to 131026523 its reverse (325620131), we get a palindrome (456646654).

The spelling of 131026523 in words is "one hundred thirty-one million, twenty-six thousand, five hundred twenty-three".