311374279 has 2 divisors, whose sum is σ = 311374280. Its totient is φ = 311374278.

The previous prime is 311374267. The next prime is 311374291. The reversal of 311374279 is 972473113.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (311374267) and next prime (311374291).

It is a cyclic number.

It is not a de Polignac number, because 311374279 - 2¹³ = 311366087 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (311374229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155687139 + 155687140.

It is an arithmetic number, because the mean of its divisors is an integer number (155687140).

Almost surely, 2^311374279 is an apocalyptic number.

311374279 is a deficient number, since it is larger than the sum of its proper divisors (1).

311374279 is an equidigital number, since it uses as much as digits as its factorization.

311374279 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31752, while the sum is 37.

The square root of 311374279 is about 17645.8006052432. The cubic root of 311374279 is about 677.7885765656.

The spelling of 311374279 in words is "three hundred eleven million, three hundred seventy-four thousand, two hundred seventy-nine".