113003311231 has 2 divisors, whose sum is σ = 113003311232. Its totient is φ = 113003311230.

The previous prime is 113003311207. The next prime is 113003311249. The reversal of 113003311231 is 132113300311.

It is a strong prime.

It is an emirp because it is prime and its reverse (132113300311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 113003311231 - 2⁵ = 113003311199 is a prime.

It is a super-2 number, since 2×113003311231² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 113003311199 and 113003311208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113003315231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56501655615 + 56501655616.

It is an arithmetic number, because the mean of its divisors is an integer number (56501655616).

Almost surely, 2^113003311231 is an apocalyptic number.

113003311231 is a deficient number, since it is larger than the sum of its proper divisors (1).

113003311231 is an equidigital number, since it uses as much as digits as its factorization.

113003311231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 113003311231 its reverse (132113300311), we get a palindrome (245116611542).

The spelling of 113003311231 in words is "one hundred thirteen billion, three million, three hundred eleven thousand, two hundred thirty-one".