231203320112 has 20 divisors (see below), whose sum is σ = 449108003760. Its totient is φ = 115304480448.

The previous prime is 231203320109. The next prime is 231203320123. The reversal of 231203320112 is 211023302132.

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, 18567308 + ... + 18579755.

It is an arithmetic number, because the mean of its divisors is an integer number (22455400188).

Almost surely, 2^231203320112 is an apocalyptic number.

It is an amenable number.

231203320112 is a deficient number, since it is larger than the sum of its proper divisors (217904683648).

231203320112 is a wasteful number, since it uses less digits than its factorization.

231203320112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37147460 (or 37147454 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 231203320112 its reverse (211023302132), we get a palindrome (442226622244).

The spelling of 231203320112 in words is "two hundred thirty-one billion, two hundred three million, three hundred twenty thousand, one hundred twelve".