113044681 has 2 divisors, whose sum is σ = 113044682. Its totient is φ = 113044680.

The previous prime is 113044643. The next prime is 113044703. The reversal of 113044681 is 186440311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82519056 + 30525625 = 9084^2 + 5525^2 .

It is an emirp because it is prime and its reverse (186440311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 113044681 - 2¹³ = 113036489 is a prime.

It is a super-3 number, since 3×113044681³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (113044621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56522340 + 56522341.

It is an arithmetic number, because the mean of its divisors is an integer number (56522341).

Almost surely, 2^113044681 is an apocalyptic number.

It is an amenable number.

113044681 is a deficient number, since it is larger than the sum of its proper divisors (1).

113044681 is an equidigital number, since it uses as much as digits as its factorization.

113044681 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 113044681 is about 10632.2472224831. The cubic root of 113044681 is about 483.5225253268.

Adding to 113044681 its reverse (186440311), we get a palindrome (299484992).

The spelling of 113044681 in words is "one hundred thirteen million, forty-four thousand, six hundred eighty-one".