312232210193 has 2 divisors, whose sum is σ = 312232210194. Its totient is φ = 312232210192.

The previous prime is 312232210189. The next prime is 312232210229. The reversal of 312232210193 is 391012232213.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 187122860929 + 125109349264 = 432577^2 + 353708^2 .

It is a cyclic number.

It is not a de Polignac number, because 312232210193 - 2² = 312232210189 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (312232210093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156116105096 + 156116105097.

It is an arithmetic number, because the mean of its divisors is an integer number (156116105097).

Almost surely, 2^312232210193 is an apocalyptic number.

It is an amenable number.

312232210193 is a deficient number, since it is larger than the sum of its proper divisors (1).

312232210193 is an equidigital number, since it uses as much as digits as its factorization.

312232210193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 29.

The spelling of 312232210193 in words is "three hundred twelve billion, two hundred thirty-two million, two hundred ten thousand, one hundred ninety-three".