231203232303222 has 64 divisors (see below), whose sum is σ = 468355871047680. Its totient is φ = 76082736564000.

The previous prime is 231203232303217. The next prime is 231203232303271. The reversal of 231203232303222 is 222303232302132.

It is a self number, because there is not a number n which added to its sum of digits gives 231203232303222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 406074513 + ... + 406643475.

It is an arithmetic number, because the mean of its divisors is an integer number (7318060485120).

Almost surely, 2^{231203232303222} is an apocalyptic number.

231203232303222 is an abundant number, since it is smaller than the sum of its proper divisors (237152638744458).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231203232303222 is a wasteful number, since it uses less digits than its factorization.

231203232303222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571849.

The product of its (nonzero) digits is 31104, while the sum is 30.

Adding to 231203232303222 its reverse (222303232302132), we get a palindrome (453506464605354).

The spelling of 231203232303222 in words is "two hundred thirty-one trillion, two hundred three billion, two hundred thirty-two million, three hundred three thousand, two hundred twenty-two".