312601147 has 2 divisors, whose sum is σ = 312601148. Its totient is φ = 312601146.

The previous prime is 312601127. The next prime is 312601169. The reversal of 312601147 is 741106213.

It is a weak prime.

It is an emirp because it is prime and its reverse (741106213) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-312601147 is a prime.

It is not a weakly prime, because it can be changed into another prime (312601127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156300573 + 156300574.

It is an arithmetic number, because the mean of its divisors is an integer number (156300574).

Almost surely, 2^312601147 is an apocalyptic number.

312601147 is a deficient number, since it is larger than the sum of its proper divisors (1).

312601147 is an equidigital number, since it uses as much as digits as its factorization.

312601147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 312601147 is about 17680.5301673903. The cubic root of 312601147 is about 678.6776109706.

The spelling of 312601147 in words is "three hundred twelve million, six hundred one thousand, one hundred forty-seven".