231040532321 has 8 divisors (see below), whose sum is σ = 231438923520. Its totient is φ = 230642219808.

The previous prime is 231040532311. The next prime is 231040532357. The reversal of 231040532321 is 123235040132.

It is a happy number.

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 231040532321 - 2⁶ = 231040532257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231040532311) 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, 11514920 + ... + 11534966.

It is an arithmetic number, because the mean of its divisors is an integer number (28929865440).

Almost surely, 2^231040532321 is an apocalyptic number.

It is an amenable number.

231040532321 is a deficient number, since it is larger than the sum of its proper divisors (398391199).

231040532321 is a wasteful number, since it uses less digits than its factorization.

231040532321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39343.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 231040532321 its reverse (123235040132), we get a palindrome (354275572453).

The spelling of 231040532321 in words is "two hundred thirty-one billion, forty million, five hundred thirty-two thousand, three hundred twenty-one".