312023214229 has 2 divisors, whose sum is σ = 312023214230. Its totient is φ = 312023214228.

The previous prime is 312023214197. The next prime is 312023214247. The reversal of 312023214229 is 922412320213.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 223681702500 + 88341511729 = 472950^2 + 297223^2 .

It is an emirp because it is prime and its reverse (922412320213) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 312023214229 - 2⁵ = 312023214197 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 312023214229.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312023218229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156011607114 + 156011607115.

It is an arithmetic number, because the mean of its divisors is an integer number (156011607115).

Almost surely, 2^312023214229 is an apocalyptic number.

It is an amenable number.

312023214229 is a deficient number, since it is larger than the sum of its proper divisors (1).

312023214229 is an equidigital number, since it uses as much as digits as its factorization.

312023214229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 31.

The spelling of 312023214229 in words is "three hundred twelve billion, twenty-three million, two hundred fourteen thousand, two hundred twenty-nine".