311760047 has 2 divisors, whose sum is σ = 311760048. Its totient is φ = 311760046.

The previous prime is 311759983. The next prime is 311760049. The reversal of 311760047 is 740067113.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 311760047 - 2⁶ = 311759983 is a prime.

Together with 311760049, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (311760049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155880023 + 155880024.

It is an arithmetic number, because the mean of its divisors is an integer number (155880024).

Almost surely, 2^311760047 is an apocalyptic number.

311760047 is a deficient number, since it is larger than the sum of its proper divisors (1).

311760047 is an equidigital number, since it uses as much as digits as its factorization.

311760047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 311760047 is about 17656.7280944121. The cubic root of 311760047 is about 678.0683697873.

The spelling of 311760047 in words is "three hundred eleven million, seven hundred sixty thousand, forty-seven".