131313323 has 2 divisors, whose sum is σ = 131313324. Its totient is φ = 131313322.

The previous prime is 131313319. The next prime is 131313341. The reversal of 131313323 is 323313131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131313323 - 2² = 131313319 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131313295 and 131313304.

It is not a weakly prime, because it can be changed into another prime (131313823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65656661 + 65656662.

It is an arithmetic number, because the mean of its divisors is an integer number (65656662).

Almost surely, 2^131313323 is an apocalyptic number.

131313323 is a deficient number, since it is larger than the sum of its proper divisors (1).

131313323 is an equidigital number, since it uses as much as digits as its factorization.

131313323 is an evil number, because the sum of its binary digits is even.

The product of its digits is 486, while the sum is 20.

The square root of 131313323 is about 11459.2025464253. The cubic root of 131313323 is about 508.2798938597.

Adding to 131313323 its reverse (323313131), we get a palindrome (454626454).

The spelling of 131313323 in words is "one hundred thirty-one million, three hundred thirteen thousand, three hundred twenty-three".