113933081 has 2 divisors, whose sum is σ = 113933082. Its totient is φ = 113933080.

The previous prime is 113933077. The next prime is 113933087. The reversal of 113933081 is 180339311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85747600 + 28185481 = 9260^2 + 5309^2 .

It is an emirp because it is prime and its reverse (180339311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 113933081 - 2² = 113933077 is a prime.

It is a super-2 number, since 2×113933081² = 25961493892305122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (113933087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56966540 + 56966541.

It is an arithmetic number, because the mean of its divisors is an integer number (56966541).

Almost surely, 2^113933081 is an apocalyptic number.

It is an amenable number.

113933081 is a deficient number, since it is larger than the sum of its proper divisors (1).

113933081 is an equidigital number, since it uses as much as digits as its factorization.

113933081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 113933081 is about 10673.9440227125. The cubic root of 113933081 is about 484.7858635940.

The spelling of 113933081 in words is "one hundred thirteen million, nine hundred thirty-three thousand, eighty-one".