231213230330 has 8 divisors (see below), whose sum is σ = 416183814612. Its totient is φ = 92485292128.

The previous prime is 231213230293. The next prime is 231213230363. The reversal of 231213230330 is 33032312132.

It can be written as a sum of positive squares in 2 ways, for example, as 219738750169 + 11474480161 = 468763^2 + 107119^2 .

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 = 231213230296 and 231213230305.

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, 11560661507 + ... + 11560661526.

Almost surely, 2^231213230330 is an apocalyptic number.

231213230330 is a deficient number, since it is larger than the sum of its proper divisors (184970584282).

231213230330 is a wasteful number, since it uses less digits than its factorization.

231213230330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23121323040.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 231213230330 its reverse (33032312132), we get a palindrome (264245542462).

The spelling of 231213230330 in words is "two hundred thirty-one billion, two hundred thirteen million, two hundred thirty thousand, three hundred thirty".