113403103181 has 2 divisors, whose sum is σ = 113403103182. Its totient is φ = 113403103180.

The previous prime is 113403103139. The next prime is 113403103213. The reversal of 113403103181 is 181301304311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67249455625 + 46153647556 = 259325^2 + 214834^2 .

It is an emirp because it is prime and its reverse (181301304311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 113403103181 - 2²² = 113398908877 is a prime.

It is a super-2 number, since 2×113403103181² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 113403103181.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113403103381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56701551590 + 56701551591.

It is an arithmetic number, because the mean of its divisors is an integer number (56701551591).

Almost surely, 2^113403103181 is an apocalyptic number.

It is an amenable number.

113403103181 is a deficient number, since it is larger than the sum of its proper divisors (1).

113403103181 is an equidigital number, since it uses as much as digits as its factorization.

113403103181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 26.

Adding to 113403103181 its reverse (181301304311), we get a palindrome (294704407492).

The spelling of 113403103181 in words is "one hundred thirteen billion, four hundred three million, one hundred three thousand, one hundred eighty-one".