311713747 has 2 divisors, whose sum is σ = 311713748. Its totient is φ = 311713746.

The previous prime is 311713739. The next prime is 311713769. The reversal of 311713747 is 747317113.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 311713747 - 2³ = 311713739 is a prime.

It is not a weakly prime, because it can be changed into another prime (311713147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155856873 + 155856874.

It is an arithmetic number, because the mean of its divisors is an integer number (155856874).

Almost surely, 2^311713747 is an apocalyptic number.

311713747 is a deficient number, since it is larger than the sum of its proper divisors (1).

311713747 is an equidigital number, since it uses as much as digits as its factorization.

311713747 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12348, while the sum is 34.

The square root of 311713747 is about 17655.4169307893. The cubic root of 311713747 is about 678.0348011072.

The spelling of 311713747 in words is "three hundred eleven million, seven hundred thirteen thousand, seven hundred forty-seven".