113336681 has 2 divisors, whose sum is σ = 113336682. Its totient is φ = 113336680.

The previous prime is 113336623. The next prime is 113336683. The reversal of 113336681 is 186633311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 104366656 + 8970025 = 10216^2 + 2995^2 .

It is a cyclic number.

It is not a de Polignac number, because 113336681 - 2¹⁰ = 113335657 is a prime.

It is a super-2 number, since 2×113336681² = 25690406520191522, which contains 22 as substring.

Together with 113336683, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (113336683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56668340 + 56668341.

It is an arithmetic number, because the mean of its divisors is an integer number (56668341).

Almost surely, 2^113336681 is an apocalyptic number.

It is an amenable number.

113336681 is a deficient number, since it is larger than the sum of its proper divisors (1).

113336681 is an equidigital number, since it uses as much as digits as its factorization.

113336681 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776, while the sum is 32.

The square root of 113336681 is about 10645.9701765504. The cubic root of 113336681 is about 483.9384882441.

Adding to 113336681 its reverse (186633311), we get a palindrome (299969992).

The spelling of 113336681 in words is "one hundred thirteen million, three hundred thirty-six thousand, six hundred eighty-one".