231302232321 has 8 divisors (see below), whose sum is σ = 313630145760. Its totient is φ = 151587903552.

The previous prime is 231302232311. The next prime is 231302232341. The reversal of 231302232321 is 123232203132.

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

It is not a de Polignac number, because 231302232321 - 2¹⁰ = 231302231297 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 231302232291 and 231302232300.

It is not an unprimeable number, because it can be changed into a prime (231302232311) 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, 653395960 + ... + 653396313.

It is an arithmetic number, because the mean of its divisors is an integer number (39203768220).

Almost surely, 2^231302232321 is an apocalyptic number.

It is an amenable number.

231302232321 is a deficient number, since it is larger than the sum of its proper divisors (82327913439).

231302232321 is a wasteful number, since it uses less digits than its factorization.

231302232321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1306792335.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 231302232321 its reverse (123232203132), we get a palindrome (354534435453).

The spelling of 231302232321 in words is "two hundred thirty-one billion, three hundred two million, two hundred thirty-two thousand, three hundred twenty-one".