231332321230 has 32 divisors (see below), whose sum is σ = 434835454464. Its totient is φ = 88441922976.

The previous prime is 231332321203. The next prime is 231332321239. The reversal of 231332321230 is 32123233132.

It is a junction number, because it is equal to n+sod(n) for n = 231332321195 and 231332321204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231332321239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84162 + ... + 685381.

It is an arithmetic number, because the mean of its divisors is an integer number (13588607952).

Almost surely, 2^231332321230 is an apocalyptic number.

231332321230 is a deficient number, since it is larger than the sum of its proper divisors (203503133234).

231332321230 is a wasteful number, since it uses less digits than its factorization.

231332321230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770880.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 231332321230 its reverse (32123233132), we get a palindrome (263455554362).

The spelling of 231332321230 in words is "two hundred thirty-one billion, three hundred thirty-two million, three hundred twenty-one thousand, two hundred thirty".