231340330212 has 24 divisors (see below), whose sum is σ = 541076286912. Its totient is φ = 76930274400.

The previous prime is 231340330103. The next prime is 231340330261. The reversal of 231340330212 is 212033043132.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22890864 + ... + 22900967.

It is an arithmetic number, because the mean of its divisors is an integer number (22544845288).

Almost surely, 2^231340330212 is an apocalyptic number.

It is an amenable number.

231340330212 is an abundant number, since it is smaller than the sum of its proper divisors (309735956700).

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

231340330212 is a wasteful number, since it uses less digits than its factorization.

231340330212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45792259 (or 45792257 counting only the distinct ones).

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

Adding to 231340330212 its reverse (212033043132), we get a palindrome (443373373344).

The spelling of 231340330212 in words is "two hundred thirty-one billion, three hundred forty million, three hundred thirty thousand, two hundred twelve".