3180930165961 has 2 divisors, whose sum is σ = 3180930165962. Its totient is φ = 3180930165960.

The previous prime is 3180930165923. The next prime is 3180930165989. The reversal of 3180930165961 is 1695610390813.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2250585038025 + 930345127936 = 1500195^2 + 964544^2 .

It is a cyclic number.

It is not a de Polignac number, because 3180930165961 - 2¹⁵ = 3180930133193 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3180930165899 and 3180930165908.

It is not a weakly prime, because it can be changed into another prime (3180930169961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1590465082980 + 1590465082981.

It is an arithmetic number, because the mean of its divisors is an integer number (1590465082981).

Almost surely, 2^{3180930165961} is an apocalyptic number.

It is an amenable number.

3180930165961 is a deficient number, since it is larger than the sum of its proper divisors (1).

3180930165961 is an equidigital number, since it uses as much as digits as its factorization.

3180930165961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1049760, while the sum is 52.

The spelling of 3180930165961 in words is "three trillion, one hundred eighty billion, nine hundred thirty million, one hundred sixty-five thousand, nine hundred sixty-one".