311143422047 has 2 divisors, whose sum is σ = 311143422048. Its totient is φ = 311143422046.

The previous prime is 311143421999. The next prime is 311143422059. The reversal of 311143422047 is 740224341113.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 311143422047 - 2¹⁸ = 311143159903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (311113422047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155571711023 + 155571711024.

It is an arithmetic number, because the mean of its divisors is an integer number (155571711024).

Almost surely, 2^311143422047 is an apocalyptic number.

311143422047 is a deficient number, since it is larger than the sum of its proper divisors (1).

311143422047 is an equidigital number, since it uses as much as digits as its factorization.

311143422047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 32.

The spelling of 311143422047 in words is "three hundred eleven billion, one hundred forty-three million, four hundred twenty-two thousand, forty-seven".