3131331323 has 2 divisors, whose sum is σ = 3131331324. Its totient is φ = 3131331322.

The previous prime is 3131331283. The next prime is 3131331341. The reversal of 3131331323 is 3231331313.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3131331323 - 2¹⁰ = 3131330299 is a prime.

It is not a weakly prime, because it can be changed into another prime (3131331373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1565665661 + 1565665662.

It is an arithmetic number, because the mean of its divisors is an integer number (1565665662).

Almost surely, 2^3131331323 is an apocalyptic number.

3131331323 is a deficient number, since it is larger than the sum of its proper divisors (1).

3131331323 is an equidigital number, since it uses as much as digits as its factorization.

3131331323 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1458, while the sum is 23.

The square root of 3131331323 is about 55958.2998580193. The cubic root of 3131331323 is about 1462.9955577618.

Adding to 3131331323 its reverse (3231331313), we get a palindrome (6362662636).

The spelling of 3131331323 in words is "three billion, one hundred thirty-one million, three hundred thirty-one thousand, three hundred twenty-three".