312079147 has 2 divisors, whose sum is σ = 312079148. Its totient is φ = 312079146.

The previous prime is 312079069. The next prime is 312079153. The reversal of 312079147 is 741970213.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 312079147 - 2¹¹ = 312077099 is a prime.

It is not a weakly prime, because it can be changed into another prime (312079247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156039573 + 156039574.

It is an arithmetic number, because the mean of its divisors is an integer number (156039574).

Almost surely, 2^312079147 is an apocalyptic number.

312079147 is a deficient number, since it is larger than the sum of its proper divisors (1).

312079147 is an equidigital number, since it uses as much as digits as its factorization.

312079147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 312079147 is about 17665.7619988496. The cubic root of 312079147 is about 678.2996350813.

The spelling of 312079147 in words is "three hundred twelve million, seventy-nine thousand, one hundred forty-seven".