331312112203 has 4 divisors (see below), whose sum is σ = 333920869120. Its totient is φ = 328703355288.

The previous prime is 331312112129. The next prime is 331312112213. The reversal of 331312112203 is 302211213133.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-331312112203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (331312112213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1304378268 + ... + 1304378521.

It is an arithmetic number, because the mean of its divisors is an integer number (83480217280).

Almost surely, 2^331312112203 is an apocalyptic number.

331312112203 is a deficient number, since it is larger than the sum of its proper divisors (2608756917).

331312112203 is a wasteful number, since it uses less digits than its factorization.

331312112203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2608756916.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 331312112203 its reverse (302211213133), we get a palindrome (633523325336).

The spelling of 331312112203 in words is "three hundred thirty-one billion, three hundred twelve million, one hundred twelve thousand, two hundred three".