312231199207 has 2 divisors, whose sum is σ = 312231199208. Its totient is φ = 312231199206.

The previous prime is 312231199151. The next prime is 312231199229. The reversal of 312231199207 is 702991132213.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 312231199207 - 2¹⁵ = 312231166439 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 312231199207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312231199277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156115599603 + 156115599604.

It is an arithmetic number, because the mean of its divisors is an integer number (156115599604).

Almost surely, 2^312231199207 is an apocalyptic number.

312231199207 is a deficient number, since it is larger than the sum of its proper divisors (1).

312231199207 is an equidigital number, since it uses as much as digits as its factorization.

312231199207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824, while the sum is 40.

The spelling of 312231199207 in words is "three hundred twelve billion, two hundred thirty-one million, one hundred ninety-nine thousand, two hundred seven".