113672731 has 2 divisors, whose sum is σ = 113672732. Its totient is φ = 113672730.

The previous prime is 113672729. The next prime is 113672737. The reversal of 113672731 is 137276311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 113672731 - 2¹ = 113672729 is a prime.

It is a super-2 number, since 2×113672731² = 25842979545996722, which contains 22 as substring.

Together with 113672729, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 113672693 and 113672702.

It is not a weakly prime, because it can be changed into another prime (113672737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56836365 + 56836366.

It is an arithmetic number, because the mean of its divisors is an integer number (56836366).

Almost surely, 2^113672731 is an apocalyptic number.

113672731 is a deficient number, since it is larger than the sum of its proper divisors (1).

113672731 is an equidigital number, since it uses as much as digits as its factorization.

113672731 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5292, while the sum is 31.

The square root of 113672731 is about 10661.7414618814. The cubic root of 113672731 is about 484.4163184233.

The spelling of 113672731 in words is "one hundred thirteen million, six hundred seventy-two thousand, seven hundred thirty-one".