312130330247 has 2 divisors, whose sum is σ = 312130330248. Its totient is φ = 312130330246.

The previous prime is 312130330201. The next prime is 312130330283. The reversal of 312130330247 is 742033031213.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 312130330247 - 2⁸ = 312130329991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312130330297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156065165123 + 156065165124.

It is an arithmetic number, because the mean of its divisors is an integer number (156065165124).

Almost surely, 2^312130330247 is an apocalyptic number.

312130330247 is a deficient number, since it is larger than the sum of its proper divisors (1).

312130330247 is an equidigital number, since it uses as much as digits as its factorization.

312130330247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 29.

The spelling of 312130330247 in words is "three hundred twelve billion, one hundred thirty million, three hundred thirty thousand, two hundred forty-seven".