231323230330 has 8 divisors (see below), whose sum is σ = 416381814612. Its totient is φ = 92529292128.

The previous prime is 231323230261. The next prime is 231323230349. The reversal of 231323230330 is 33032323132.

It can be written as a sum of positive squares in 2 ways, for example, as 220142071249 + 11181159081 = 469193^2 + 105741^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 231323230295 and 231323230304.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11566161507 + ... + 11566161526.

Almost surely, 2^231323230330 is an apocalyptic number.

231323230330 is a deficient number, since it is larger than the sum of its proper divisors (185058584282).

231323230330 is a wasteful number, since it uses less digits than its factorization.

231323230330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23132323040.

The product of its (nonzero) digits is 5832, while the sum is 25.

Adding to 231323230330 its reverse (33032323132), we get a palindrome (264355553462).

The spelling of 231323230330 in words is "two hundred thirty-one billion, three hundred twenty-three million, two hundred thirty thousand, three hundred thirty".