312032317 has 2 divisors, whose sum is σ = 312032318. Its totient is φ = 312032316.

The previous prime is 312032311. The next prime is 312032323. The reversal of 312032317 is 713230213.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (312032311) and next prime (312032323).

It can be written as a sum of positive squares in only one way, i.e., 288354361 + 23677956 = 16981^2 + 4866^2 .

It is an emirp because it is prime and its reverse (713230213) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 312032317 - 2¹⁵ = 311999549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312032311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156016158 + 156016159.

It is an arithmetic number, because the mean of its divisors is an integer number (156016159).

Almost surely, 2^312032317 is an apocalyptic number.

It is an amenable number.

312032317 is a deficient number, since it is larger than the sum of its proper divisors (1).

312032317 is an equidigital number, since it uses as much as digits as its factorization.

312032317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 22.

The square root of 312032317 is about 17664.4365038911. The cubic root of 312032317 is about 678.2657052688.

The spelling of 312032317 in words is "three hundred twelve million, thirty-two thousand, three hundred seventeen".