113847731 has 2 divisors, whose sum is σ = 113847732. Its totient is φ = 113847730.

The previous prime is 113847709. The next prime is 113847817. The reversal of 113847731 is 137748311.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113847731 is a prime.

It is a super-2 number, since 2×113847731² = 25922611707696722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 113847691 and 113847700.

It is not a weakly prime, because it can be changed into another prime (113847131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56923865 + 56923866.

It is an arithmetic number, because the mean of its divisors is an integer number (56923866).

Almost surely, 2^113847731 is an apocalyptic number.

113847731 is a deficient number, since it is larger than the sum of its proper divisors (1).

113847731 is an equidigital number, since it uses as much as digits as its factorization.

113847731 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14112, while the sum is 35.

The square root of 113847731 is about 10669.9452201031. The cubic root of 113847731 is about 484.6647784522.

The spelling of 113847731 in words is "one hundred thirteen million, eight hundred forty-seven thousand, seven hundred thirty-one".