232132021321 has 8 divisors (see below), whose sum is σ = 234710469000. Its totient is φ = 229567180800.

The previous prime is 232132021313. The next prime is 232132021339. The reversal of 232132021321 is 123120231232.

It can be written as a sum of positive squares in 4 ways, for example, as 106252529296 + 125879492025 = 325964^2 + 354795^2 .

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 232132021321 - 2³ = 232132021313 is a prime.

It is a super-3 number, since 3×232132021321³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 232132021292 and 232132021301.

It is not an unprimeable number, because it can be changed into a prime (232132021421) 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, 3367480 + ... + 3435721.

It is an arithmetic number, because the mean of its divisors is an integer number (29338808625).

Almost surely, 2^232132021321 is an apocalyptic number.

It is an amenable number.

232132021321 is a deficient number, since it is larger than the sum of its proper divisors (2578447679).

232132021321 is a wasteful number, since it uses less digits than its factorization.

232132021321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6803579.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 232132021321 its reverse (123120231232), we get a palindrome (355252252553).

The spelling of 232132021321 in words is "two hundred thirty-two billion, one hundred thirty-two million, twenty-one thousand, three hundred twenty-one".