3130320961 has 2 divisors, whose sum is σ = 3130320962. Its totient is φ = 3130320960.

The previous prime is 3130320899. The next prime is 3130321031. The reversal of 3130320961 is 1690230313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2804337936 + 325983025 = 52956^2 + 18055^2 .

It is an emirp because it is prime and its reverse (1690230313) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3130320961 - 2⁷ = 3130320833 is a prime.

It is not a weakly prime, because it can be changed into another prime (3130320161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1565160480 + 1565160481.

It is an arithmetic number, because the mean of its divisors is an integer number (1565160481).

Almost surely, 2^3130320961 is an apocalyptic number.

It is an amenable number.

3130320961 is a deficient number, since it is larger than the sum of its proper divisors (1).

3130320961 is an equidigital number, since it uses as much as digits as its factorization.

3130320961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 28.

The square root of 3130320961 is about 55949.2713178644. The cubic root of 3130320961 is about 1462.8381897528.

The spelling of 3130320961 in words is "three billion, one hundred thirty million, three hundred twenty thousand, nine hundred sixty-one".