312114109 has 2 divisors, whose sum is σ = 312114110. Its totient is φ = 312114108.

The previous prime is 312114059. The next prime is 312114137. The reversal of 312114109 is 901411213.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 182655225 + 129458884 = 13515^2 + 11378^2 .

It is a cyclic number.

It is not a de Polignac number, because 312114109 - 2⁹ = 312113597 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 312114109.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312114199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156057054 + 156057055.

It is an arithmetic number, because the mean of its divisors is an integer number (156057055).

Almost surely, 2^312114109 is an apocalyptic number.

It is an amenable number.

312114109 is a deficient number, since it is larger than the sum of its proper divisors (1).

312114109 is an equidigital number, since it uses as much as digits as its factorization.

312114109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 312114109 is about 17666.7515123749. The cubic root of 312114109 is about 678.3249639405.

The spelling of 312114109 in words is "three hundred twelve million, one hundred fourteen thousand, one hundred nine".