113401331 has 2 divisors, whose sum is σ = 113401332. Its totient is φ = 113401330.

The previous prime is 113401313. The next prime is 113401349. The reversal of 113401331 is 133104311.

Together with previous prime (113401313) it forms an Ormiston pair, because they use the same digits, order apart.

It is a balanced prime because it is at equal distance from previous prime (113401313) and next prime (113401349).

It is an emirp because it is prime and its reverse (133104311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 113401331 - 2¹⁰ = 113400307 is a prime.

It is a super-2 number, since 2×113401331² = 25719723745143122, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (113401391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56700665 + 56700666.

It is an arithmetic number, because the mean of its divisors is an integer number (56700666).

Almost surely, 2^113401331 is an apocalyptic number.

113401331 is a deficient number, since it is larger than the sum of its proper divisors (1).

113401331 is an equidigital number, since it uses as much as digits as its factorization.

113401331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 113401331 is about 10649.0061038578. The cubic root of 113401331 is about 484.0304875156.

Adding to 113401331 its reverse (133104311), we get a palindrome (246505642).

The spelling of 113401331 in words is "one hundred thirteen million, four hundred one thousand, three hundred thirty-one".