3130321331 has 2 divisors, whose sum is σ = 3130321332. Its totient is φ = 3130321330.

The previous prime is 3130321309. The next prime is 3130321349. The reversal of 3130321331 is 1331230313.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3130321331 - 2¹⁰ = 3130320307 is a prime.

It is a super-2 number, since 2×3130321331² = 19597823270627223122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3130321301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1565160665 + 1565160666.

It is an arithmetic number, because the mean of its divisors is an integer number (1565160666).

Almost surely, 2^3130321331 is an apocalyptic number.

3130321331 is a deficient number, since it is larger than the sum of its proper divisors (1).

3130321331 is an equidigital number, since it uses as much as digits as its factorization.

3130321331 is an evil number, because the sum of its binary digits is even.

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

The square root of 3130321331 is about 55949.2746244310. The cubic root of 3130321331 is about 1462.8382473880.

Adding to 3130321331 its reverse (1331230313), we get a palindrome (4461551644).

The spelling of 3130321331 in words is "three billion, one hundred thirty million, three hundred twenty-one thousand, three hundred thirty-one".