311342677 has 2 divisors, whose sum is σ = 311342678. Its totient is φ = 311342676.

The previous prime is 311342657. The next prime is 311342687. The reversal of 311342677 is 776243113.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 188265841 + 123076836 = 13721^2 + 11094^2 .

It is a cyclic number.

It is not a de Polignac number, because 311342677 - 2¹¹ = 311340629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (311342657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155671338 + 155671339.

It is an arithmetic number, because the mean of its divisors is an integer number (155671339).

Almost surely, 2^311342677 is an apocalyptic number.

It is an amenable number.

311342677 is a deficient number, since it is larger than the sum of its proper divisors (1).

311342677 is an equidigital number, since it uses as much as digits as its factorization.

311342677 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21168, while the sum is 34.

The square root of 311342677 is about 17644.9051286767. The cubic root of 311342677 is about 677.7656457492.

The spelling of 311342677 in words is "three hundred eleven million, three hundred forty-two thousand, six hundred seventy-seven".