311099053 has 2 divisors, whose sum is σ = 311099054. Its totient is φ = 311099052.

The previous prime is 311099039. The next prime is 311099069. The reversal of 311099053 is 350990113.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 311099044 + 9 = 17638^2 + 3^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-311099053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (311099003) 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, 155549526 + 155549527.

It is an arithmetic number, because the mean of its divisors is an integer number (155549527).

Almost surely, 2^311099053 is an apocalyptic number.

It is an amenable number.

311099053 is a deficient number, since it is larger than the sum of its proper divisors (1).

311099053 is an equidigital number, since it uses as much as digits as its factorization.

311099053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3645, while the sum is 31.

The square root of 311099053 is about 17638.0002551310. Note that the first 3 decimals coincide. The cubic root of 311099053 is about 677.5888169395.

The spelling of 311099053 in words is "three hundred eleven million, ninety-nine thousand, fifty-three".