311347260239 has 2 divisors, whose sum is σ = 311347260240. Its totient is φ = 311347260238.

The previous prime is 311347260197. The next prime is 311347260307. The reversal of 311347260239 is 932062743113.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-311347260239 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 311347260196 and 311347260205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (311347260139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155673630119 + 155673630120.

It is an arithmetic number, because the mean of its divisors is an integer number (155673630120).

Almost surely, 2^311347260239 is an apocalyptic number.

311347260239 is a deficient number, since it is larger than the sum of its proper divisors (1).

311347260239 is an equidigital number, since it uses as much as digits as its factorization.

311347260239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 41.

The spelling of 311347260239 in words is "three hundred eleven billion, three hundred forty-seven million, two hundred sixty thousand, two hundred thirty-nine".