312244121230091 has 2 divisors, whose sum is σ = 312244121230092. Its totient is φ = 312244121230090.

The previous prime is 312244121230007. The next prime is 312244121230117. The reversal of 312244121230091 is 190032121442213.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-312244121230091 is a prime.

It is not a weakly prime, because it can be changed into another prime (312244121230291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156122060615045 + 156122060615046.

It is an arithmetic number, because the mean of its divisors is an integer number (156122060615046).

Almost surely, 2^{312244121230091} is an apocalyptic number.

312244121230091 is a deficient number, since it is larger than the sum of its proper divisors (1).

312244121230091 is an equidigital number, since it uses as much as digits as its factorization.

312244121230091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 35.

The spelling of 312244121230091 in words is "three hundred twelve trillion, two hundred forty-four billion, one hundred twenty-one million, two hundred thirty thousand, ninety-one".