231132322233 has 64 divisors (see below), whose sum is σ = 369018720000. Its totient is φ = 142684899840.

The previous prime is 231132322181. The next prime is 231132322237. The reversal of 231132322233 is 332223231132.

231132322233 is a `hidden beast` number, since 2 + 311 + 3 + 2 + 322 + 23 + 3 = 666.

It is not a de Polignac number, because 231132322233 - 2¹⁷ = 231132191161 is a prime.

It is a super-2 number, since 2×231132322233² (a number of 24 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 = 231132322197 and 231132322206.

It is not an unprimeable number, because it can be changed into a prime (231132322237) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1833063 + ... + 1955091.

It is an arithmetic number, because the mean of its divisors is an integer number (5765917500).

Almost surely, 2^231132322233 is an apocalyptic number.

It is an amenable number.

231132322233 is a deficient number, since it is larger than the sum of its proper divisors (137886397767).

231132322233 is a wasteful number, since it uses less digits than its factorization.

231132322233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122167 (or 122161 counting only the distinct ones).

The product of its digits is 7776, while the sum is 27.

Adding to 231132322233 its reverse (332223231132), we get a palindrome (563355553365).

The spelling of 231132322233 in words is "two hundred thirty-one billion, one hundred thirty-two million, three hundred twenty-two thousand, two hundred thirty-three".