311604941 has 2 divisors, whose sum is σ = 311604942. Its totient is φ = 311604940.

The previous prime is 311604929. The next prime is 311605001. The reversal of 311604941 is 149406113.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 277089316 + 34515625 = 16646^2 + 5875^2 .

It is a cyclic number.

It is not a de Polignac number, because 311604941 - 2¹⁰ = 311603917 is a prime.

It is a super-2 number, since 2×311604941² = 194195278511226962, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (311604911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155802470 + 155802471.

It is an arithmetic number, because the mean of its divisors is an integer number (155802471).

Almost surely, 2^311604941 is an apocalyptic number.

It is an amenable number.

311604941 is a deficient number, since it is larger than the sum of its proper divisors (1).

311604941 is an equidigital number, since it uses as much as digits as its factorization.

311604941 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 311604941 is about 17652.3352846019. The cubic root of 311604941 is about 677.9559008975.

The spelling of 311604941 in words is "three hundred eleven million, six hundred four thousand, nine hundred forty-one".