312233200091 has 2 divisors, whose sum is σ = 312233200092. Its totient is φ = 312233200090.

The previous prime is 312233200063. The next prime is 312233200183. The reversal of 312233200091 is 190002332213.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-312233200091 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 312233200091.

It is not a weakly prime, because it can be changed into another prime (312233200031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156116600045 + 156116600046.

It is an arithmetic number, because the mean of its divisors is an integer number (156116600046).

Almost surely, 2^312233200091 is an apocalyptic number.

312233200091 is a deficient number, since it is larger than the sum of its proper divisors (1).

312233200091 is an equidigital number, since it uses as much as digits as its factorization.

312233200091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 26.

The spelling of 312233200091 in words is "three hundred twelve billion, two hundred thirty-three million, two hundred thousand, ninety-one".