131430523 has 8 divisors (see below), whose sum is σ = 155386080. Its totient is φ = 108769920.

The previous prime is 131430521. The next prime is 131430527. The reversal of 131430523 is 325034131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 131430523 - 2¹ = 131430521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131430494 and 131430503.

It is not an unprimeable number, because it can be changed into a prime (131430521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 323518 + ... + 323923.

It is an arithmetic number, because the mean of its divisors is an integer number (19423260).

Almost surely, 2^131430523 is an apocalyptic number.

131430523 is a deficient number, since it is larger than the sum of its proper divisors (23955557).

131430523 is an equidigital number, since it uses as much as digits as its factorization.

131430523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647477.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 131430523 is about 11464.3151997841. The cubic root of 131430523 is about 508.4310658514.

Adding to 131430523 its reverse (325034131), we get a palindrome (456464654).

The spelling of 131430523 in words is "one hundred thirty-one million, four hundred thirty thousand, five hundred twenty-three".