112320312691 has 2 divisors, whose sum is σ = 112320312692. Its totient is φ = 112320312690.

The previous prime is 112320312653. The next prime is 112320312703. The reversal of 112320312691 is 196213023211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 112320312691 - 2²⁷ = 112186094963 is a prime.

It is a super-2 number, since 2×112320312691² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (112324312691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56160156345 + 56160156346.

It is an arithmetic number, because the mean of its divisors is an integer number (56160156346).

Almost surely, 2^112320312691 is an apocalyptic number.

112320312691 is a deficient number, since it is larger than the sum of its proper divisors (1).

112320312691 is an equidigital number, since it uses as much as digits as its factorization.

112320312691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 31.

The spelling of 112320312691 in words is "one hundred twelve billion, three hundred twenty million, three hundred twelve thousand, six hundred ninety-one".