312422347 has 2 divisors, whose sum is σ = 312422348. Its totient is φ = 312422346.

The previous prime is 312422303. The next prime is 312422359. The reversal of 312422347 is 743224213.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 312422347 - 2²⁷ = 178204619 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (312422387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156211173 + 156211174.

It is an arithmetic number, because the mean of its divisors is an integer number (156211174).

Almost surely, 2^312422347 is an apocalyptic number.

312422347 is a deficient number, since it is larger than the sum of its proper divisors (1).

312422347 is an equidigital number, since it uses as much as digits as its factorization.

312422347 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8064, while the sum is 28.

The square root of 312422347 is about 17675.4730346885. The cubic root of 312422347 is about 678.5481907800.

The spelling of 312422347 in words is "three hundred twelve million, four hundred twenty-two thousand, three hundred forty-seven".