112397731 has 2 divisors, whose sum is σ = 112397732. Its totient is φ = 112397730.

The previous prime is 112397729. The next prime is 112397737. The reversal of 112397731 is 137793211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 112397731 - 2¹ = 112397729 is a prime.

It is a super-2 number, since 2×112397731² = 25266499867896722, which contains 22 as substring.

Together with 112397729, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (112397737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56198865 + 56198866.

It is an arithmetic number, because the mean of its divisors is an integer number (56198866).

Almost surely, 2^112397731 is an apocalyptic number.

112397731 is a deficient number, since it is larger than the sum of its proper divisors (1).

112397731 is an equidigital number, since it uses as much as digits as its factorization.

112397731 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7938, while the sum is 34.

The square root of 112397731 is about 10601.7796147628. The cubic root of 112397731 is about 482.5983670154.

The spelling of 112397731 in words is "one hundred twelve million, three hundred ninety-seven thousand, seven hundred thirty-one".