312828233 has 2 divisors, whose sum is σ = 312828234. Its totient is φ = 312828232.

The previous prime is 312828167. The next prime is 312828239. The reversal of 312828233 is 332828213.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 294740224 + 18088009 = 17168^2 + 4253^2 .

It is a cyclic number.

It is not a de Polignac number, because 312828233 - 2²⁴ = 296051017 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 312828233.

It is not a weakly prime, because it can be changed into another prime (312828239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156414116 + 156414117.

It is an arithmetic number, because the mean of its divisors is an integer number (156414117).

Almost surely, 2^312828233 is an apocalyptic number.

It is an amenable number.

312828233 is a deficient number, since it is larger than the sum of its proper divisors (1).

312828233 is an equidigital number, since it uses as much as digits as its factorization.

312828233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13824, while the sum is 32.

The square root of 312828233 is about 17686.9509243397. The cubic root of 312828233 is about 678.8419107301.

The spelling of 312828233 in words is "three hundred twelve million, eight hundred twenty-eight thousand, two hundred thirty-three".