311351488079 has 2 divisors, whose sum is σ = 311351488080. Its totient is φ = 311351488078.

The previous prime is 311351488013. The next prime is 311351488081. The reversal of 311351488079 is 970884153113.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 311351488079 - 2³² = 307056520783 is a prime.

It is a super-2 number, since 2×311351488079² (a number of 24 digits) contains 22 as substring.

Together with 311351488081, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (311351488009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155675744039 + 155675744040.

It is an arithmetic number, because the mean of its divisors is an integer number (155675744040).

Almost surely, 2^311351488079 is an apocalyptic number.

311351488079 is a deficient number, since it is larger than the sum of its proper divisors (1).

311351488079 is an equidigital number, since it uses as much as digits as its factorization.

311351488079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 725760, while the sum is 50.

The spelling of 311351488079 in words is "three hundred eleven billion, three hundred fifty-one million, four hundred eighty-eight thousand, seventy-nine".