3312309961 has 2 divisors, whose sum is σ = 3312309962. Its totient is φ = 3312309960.

The previous prime is 3312309899. The next prime is 3312309977. The reversal of 3312309961 is 1699032133.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3290743225 + 21566736 = 57365^2 + 4644^2 .

It is a cyclic number.

It is not a de Polignac number, because 3312309961 - 2¹⁷ = 3312178889 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3312309961.

It is not a weakly prime, because it can be changed into another prime (3312309361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1656154980 + 1656154981.

It is an arithmetic number, because the mean of its divisors is an integer number (1656154981).

Almost surely, 2^3312309961 is an apocalyptic number.

It is an amenable number.

3312309961 is a deficient number, since it is larger than the sum of its proper divisors (1).

3312309961 is an equidigital number, since it uses as much as digits as its factorization.

3312309961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26244, while the sum is 37.

The square root of 3312309961 is about 57552.6711890943. The cubic root of 3312309961 is about 1490.6544819318.

The spelling of 3312309961 in words is "three billion, three hundred twelve million, three hundred nine thousand, nine hundred sixty-one".