311129963 has 2 divisors, whose sum is σ = 311129964. Its totient is φ = 311129962.

The previous prime is 311129941. The next prime is 311130011. The reversal of 311129963 is 369921113.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 311129963 - 2¹⁶ = 311064427 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (311122963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155564981 + 155564982.

It is an arithmetic number, because the mean of its divisors is an integer number (155564982).

Almost surely, 2^311129963 is an apocalyptic number.

311129963 is a deficient number, since it is larger than the sum of its proper divisors (1).

311129963 is an equidigital number, since it uses as much as digits as its factorization.

311129963 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8748, while the sum is 35.

The square root of 311129963 is about 17638.8764664873. The cubic root of 311129963 is about 677.6112573557.

The spelling of 311129963 in words is "three hundred eleven million, one hundred twenty-nine thousand, nine hundred sixty-three".