113123243331 has 60 divisors (see below), whose sum is σ = 199065076320. Its totient is φ = 63823425120.

The previous prime is 113123243329. The next prime is 113123243341. The reversal of 113123243331 is 133342321311.

113123243331 is a `hidden beast` number, since 1 + 1 + 3 + 1 + 2 + 324 + 3 + 331 = 666.

It is not a de Polignac number, because 113123243331 - 2¹ = 113123243329 is a prime.

It is a super-2 number, since 2×113123243331² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 113123243295 and 113123243304.

It is not an unprimeable number, because it can be changed into a prime (113123243341) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 133161 + ... + 493941.

It is an arithmetic number, because the mean of its divisors is an integer number (3317751272).

Almost surely, 2^113123243331 is an apocalyptic number.

113123243331 is a deficient number, since it is larger than the sum of its proper divisors (85941832989).

113123243331 is an equidigital number, since it uses as much as digits as its factorization.

113123243331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360886 (or 360870 counting only the distinct ones).

The product of its digits is 3888, while the sum is 27.

Adding to 113123243331 its reverse (133342321311), we get a palindrome (246465564642).

The spelling of 113123243331 in words is "one hundred thirteen billion, one hundred twenty-three million, two hundred forty-three thousand, three hundred thirty-one".