311112379 has 2 divisors, whose sum is σ = 311112380. Its totient is φ = 311112378.

The previous prime is 311112367. The next prime is 311112407. The reversal of 311112379 is 973211113.

It is an a-pointer prime, because the next prime (311112407) can be obtained adding 311112379 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 311112379 - 2²¹ = 309015227 is a prime.

It is not a weakly prime, because it can be changed into another prime (311112679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155556189 + 155556190.

It is an arithmetic number, because the mean of its divisors is an integer number (155556190).

Almost surely, 2^311112379 is an apocalyptic number.

311112379 is a deficient number, since it is larger than the sum of its proper divisors (1).

311112379 is an equidigital number, since it uses as much as digits as its factorization.

311112379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1134, while the sum is 28.

The square root of 311112379 is about 17638.3780149990. The cubic root of 311112379 is about 677.5984916927.

The spelling of 311112379 in words is "three hundred eleven million, one hundred twelve thousand, three hundred seventy-nine".