231133023321 has 8 divisors (see below), whose sum is σ = 309725995200. Its totient is φ = 153314366832.

The previous prime is 231133023313. The next prime is 231133023371. The reversal of 231133023321 is 123320331132.

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

It is not a de Polignac number, because 231133023321 - 2³ = 231133023313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 231133023291 and 231133023300.

It is not an unprimeable number, because it can be changed into a prime (231133023301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193578150 + ... + 193579343.

It is an arithmetic number, because the mean of its divisors is an integer number (38715749400).

Almost surely, 2^231133023321 is an apocalyptic number.

It is an amenable number.

231133023321 is a deficient number, since it is larger than the sum of its proper divisors (78592971879).

231133023321 is a wasteful number, since it uses less digits than its factorization.

231133023321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387157695.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 231133023321 its reverse (123320331132), we get a palindrome (354453354453).

The spelling of 231133023321 in words is "two hundred thirty-one billion, one hundred thirty-three million, twenty-three thousand, three hundred twenty-one".