312363229 has 2 divisors, whose sum is σ = 312363230. Its totient is φ = 312363228.

The previous prime is 312363209. The next prime is 312363239. The reversal of 312363229 is 922363213.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 191407225 + 120956004 = 13835^2 + 10998^2 .

It is a cyclic number.

It is not a de Polignac number, because 312363229 - 2¹⁵ = 312330461 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 312363229.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312363209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156181614 + 156181615.

It is an arithmetic number, because the mean of its divisors is an integer number (156181615).

Almost surely, 2^312363229 is an apocalyptic number.

It is an amenable number.

312363229 is a deficient number, since it is larger than the sum of its proper divisors (1).

312363229 is an equidigital number, since it uses as much as digits as its factorization.

312363229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11664, while the sum is 31.

The square root of 312363229 is about 17673.8006382329. The cubic root of 312363229 is about 678.5053887389.

The spelling of 312363229 in words is "three hundred twelve million, three hundred sixty-three thousand, two hundred twenty-nine".