112331309 has 2 divisors, whose sum is σ = 112331310. Its totient is φ = 112331308.

The previous prime is 112331299. The next prime is 112331311. The reversal of 112331309 is 903133211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 112254025 + 77284 = 10595^2 + 278^2 .

It is a cyclic number.

It is not a de Polignac number, because 112331309 - 2⁴ = 112331293 is a prime.

Together with 112331311, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112331389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56165654 + 56165655.

It is an arithmetic number, because the mean of its divisors is an integer number (56165655).

Almost surely, 2^112331309 is an apocalyptic number.

It is an amenable number.

112331309 is a deficient number, since it is larger than the sum of its proper divisors (1).

112331309 is an equidigital number, since it uses as much as digits as its factorization.

112331309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 23.

The square root of 112331309 is about 10598.6465645383. The cubic root of 112331309 is about 482.5032836452.

The spelling of 112331309 in words is "one hundred twelve million, three hundred thirty-one thousand, three hundred nine".