311230079 has 2 divisors, whose sum is σ = 311230080. Its totient is φ = 311230078.

The previous prime is 311230061. The next prime is 311230091. The reversal of 311230079 is 970032113.

It is a strong prime.

It is an emirp because it is prime and its reverse (970032113) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 311230079 - 2²⁰ = 310181503 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (311230009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155615039 + 155615040.

It is an arithmetic number, because the mean of its divisors is an integer number (155615040).

Almost surely, 2^311230079 is an apocalyptic number.

311230079 is a deficient number, since it is larger than the sum of its proper divisors (1).

311230079 is an equidigital number, since it uses as much as digits as its factorization.

311230079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1134, while the sum is 26.

The square root of 311230079 is about 17641.7141740818. The cubic root of 311230079 is about 677.6839305807.

The spelling of 311230079 in words is "three hundred eleven million, two hundred thirty thousand, seventy-nine".