131030323 has 12 divisors (see below), whose sum is σ = 136398600. Its totient is φ = 125866496.

The previous prime is 131030311. The next prime is 131030329. The reversal of 131030323 is 323030131.

It is not a de Polignac number, because 131030323 - 2²¹ = 128933171 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131030297 and 131030306.

It is not an unprimeable number, because it can be changed into a prime (131030329) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 291603 + ... + 292051.

It is an arithmetic number, because the mean of its divisors is an integer number (11366550).

Almost surely, 2^131030323 is an apocalyptic number.

131030323 is a deficient number, since it is larger than the sum of its proper divisors (5368277).

131030323 is an equidigital number, since it uses as much as digits as its factorization.

131030323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 854 (or 825 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 16.

The square root of 131030323 is about 11446.8477320178. The cubic root of 131030323 is about 507.9144913116.

Adding to 131030323 its reverse (323030131), we get a palindrome (454060454).

The spelling of 131030323 in words is "one hundred thirty-one million, thirty thousand, three hundred twenty-three".