311344503559 has 2 divisors, whose sum is σ = 311344503560. Its totient is φ = 311344503558.

The previous prime is 311344503557. The next prime is 311344503607. The reversal of 311344503559 is 955305443113.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 311344503559 - 2¹ = 311344503557 is a prime.

Together with 311344503557, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (311344503557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155672251779 + 155672251780.

It is an arithmetic number, because the mean of its divisors is an integer number (155672251780).

Almost surely, 2^311344503559 is an apocalyptic number.

311344503559 is a deficient number, since it is larger than the sum of its proper divisors (1).

311344503559 is an equidigital number, since it uses as much as digits as its factorization.

311344503559 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486000, while the sum is 43.

The spelling of 311344503559 in words is "three hundred eleven billion, three hundred forty-four million, five hundred three thousand, five hundred fifty-nine".