231122313333 has 24 divisors (see below), whose sum is σ = 355564894048. Its totient is φ = 149917170384.

The previous prime is 231122313319. The next prime is 231122313353. The reversal of 231122313333 is 333313221132.

231122313333 is a `hidden beast` number, since 2 + 3 + 1 + 12 + 2 + 313 + 333 = 666.

It is not a de Polignac number, because 231122313333 - 2¹⁷ = 231122182261 is a prime.

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

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 231122313297 and 231122313306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231122313353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12843991 + ... + 12861972.

Almost surely, 2^231122313333 is an apocalyptic number.

It is an amenable number.

231122313333 is a deficient number, since it is larger than the sum of its proper divisors (124442580715).

231122313333 is an equidigital number, since it uses as much as digits as its factorization.

231122313333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25706015 (or 25706003 counting only the distinct ones).

The product of its digits is 5832, while the sum is 27.

Adding to 231122313333 its reverse (333313221132), we get a palindrome (564435534465).

The spelling of 231122313333 in words is "two hundred thirty-one billion, one hundred twenty-two million, three hundred thirteen thousand, three hundred thirty-three".