12203131331 has 4 divisors (see below), whose sum is σ = 12204297600. Its totient is φ = 12201965064.

The previous prime is 12203131279. The next prime is 12203131393. The reversal of 12203131331 is 13313130221.

12203131331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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-12203131331 is a prime.

It is a super-2 number, since 2×12203131331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12203133331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 567296 + ... + 588413.

It is an arithmetic number, because the mean of its divisors is an integer number (3051074400).

Almost surely, 2^12203131331 is an apocalyptic number.

12203131331 is a deficient number, since it is larger than the sum of its proper divisors (1166269).

12203131331 is a wasteful number, since it uses less digits than its factorization.

12203131331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1166268.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 12203131331 its reverse (13313130221), we get a palindrome (25516261552).

The spelling of 12203131331 in words is "twelve billion, two hundred three million, one hundred thirty-one thousand, three hundred thirty-one".