113603731 has 2 divisors, whose sum is σ = 113603732. Its totient is φ = 113603730.

The previous prime is 113603729. The next prime is 113603753. The reversal of 113603731 is 137306311.

It is a weak prime.

It is an emirp because it is prime and its reverse (137306311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 113603731 - 2¹ = 113603729 is a prime.

It is a super-2 number, since 2×113603731² = 25811615394240722, which contains 22 as substring.

Together with 113603729, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 113603696 and 113603705.

It is not a weakly prime, because it can be changed into another prime (113603131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56801865 + 56801866.

It is an arithmetic number, because the mean of its divisors is an integer number (56801866).

Almost surely, 2^113603731 is an apocalyptic number.

113603731 is a deficient number, since it is larger than the sum of its proper divisors (1).

113603731 is an equidigital number, since it uses as much as digits as its factorization.

113603731 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1134, while the sum is 25.

The square root of 113603731 is about 10658.5051015609. The cubic root of 113603731 is about 484.3182840898.

The spelling of 113603731 in words is "one hundred thirteen million, six hundred three thousand, seven hundred thirty-one".