113123220311 has 2 divisors, whose sum is σ = 113123220312. Its totient is φ = 113123220310.

The previous prime is 113123220307. The next prime is 113123220337. The reversal of 113123220311 is 113022321311.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 113123220311 - 2² = 113123220307 is a prime.

It is a super-3 number, since 3×113123220311³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113123220341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56561610155 + 56561610156.

It is an arithmetic number, because the mean of its divisors is an integer number (56561610156).

Almost surely, 2^113123220311 is an apocalyptic number.

113123220311 is a deficient number, since it is larger than the sum of its proper divisors (1).

113123220311 is an equidigital number, since it uses as much as digits as its factorization.

113123220311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 113123220311 its reverse (113022321311), we get a palindrome (226145541622).

The spelling of 113123220311 in words is "one hundred thirteen billion, one hundred twenty-three million, two hundred twenty thousand, three hundred eleven".