311114549 has 2 divisors, whose sum is σ = 311114550. Its totient is φ = 311114548.

The previous prime is 311114527. The next prime is 311114563. The reversal of 311114549 is 945411113.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 256576324 + 54538225 = 16018^2 + 7385^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-311114549 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (311114509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155557274 + 155557275.

It is an arithmetic number, because the mean of its divisors is an integer number (155557275).

Almost surely, 2^311114549 is an apocalyptic number.

It is an amenable number.

311114549 is a deficient number, since it is larger than the sum of its proper divisors (1).

311114549 is an equidigital number, since it uses as much as digits as its factorization.

311114549 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2160, while the sum is 29.

The square root of 311114549 is about 17638.4395284844. The cubic root of 311114549 is about 677.6000670991.

The spelling of 311114549 in words is "three hundred eleven million, one hundred fourteen thousand, five hundred forty-nine".