113403341281 has 2 divisors, whose sum is σ = 113403341282. Its totient is φ = 113403341280.

The previous prime is 113403341279. The next prime is 113403341321. The reversal of 113403341281 is 182143304311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109699401681 + 3703939600 = 331209^2 + 60860^2 .

It is a cyclic number.

It is not a de Polignac number, because 113403341281 - 2¹ = 113403341279 is a prime.

It is a super-2 number, since 2×113403341281² (a number of 23 digits) contains 22 as substring.

Together with 113403341279, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (113403341581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56701670640 + 56701670641.

It is an arithmetic number, because the mean of its divisors is an integer number (56701670641).

Almost surely, 2^113403341281 is an apocalyptic number.

It is an amenable number.

113403341281 is a deficient number, since it is larger than the sum of its proper divisors (1).

113403341281 is an equidigital number, since it uses as much as digits as its factorization.

113403341281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 31.

Adding to 113403341281 its reverse (182143304311), we get a palindrome (295546645592).

The spelling of 113403341281 in words is "one hundred thirteen billion, four hundred three million, three hundred forty-one thousand, two hundred eighty-one".