231133123321 has 8 divisors (see below), whose sum is σ = 233439364800. Its totient is φ = 228838159920.

The previous prime is 231133123301. The next prime is 231133123339. The reversal of 231133123321 is 123321331132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 231133123321 - 2¹⁵ = 231133090553 is a prime.

It is a super-2 number, since 2×231133123321² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231133123301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2778325 + ... + 2860306.

It is an arithmetic number, because the mean of its divisors is an integer number (29179920600).

Almost surely, 2^231133123321 is an apocalyptic number.

It is an amenable number.

231133123321 is a deficient number, since it is larger than the sum of its proper divisors (2306241479).

231133123321 is a wasteful number, since it uses less digits than its factorization.

231133123321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5639039.

The product of its digits is 1944, while the sum is 25.

Adding to 231133123321 its reverse (123321331132), we get a palindrome (354454454453).

The spelling of 231133123321 in words is "two hundred thirty-one billion, one hundred thirty-three million, one hundred twenty-three thousand, three hundred twenty-one".