12331003 has 4 divisors (see below), whose sum is σ = 12756240. Its totient is φ = 11905768.

The previous prime is 12330991. The next prime is 12331049. The reversal of 12331003 is 30013321.

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-12331003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12331063) 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, 212575 + ... + 212632.

It is an arithmetic number, because the mean of its divisors is an integer number (3189060).

Almost surely, 2^12331003 is an apocalyptic number.

12331003 is a deficient number, since it is larger than the sum of its proper divisors (425237).

12331003 is an equidigital number, since it uses as much as digits as its factorization.

12331003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425236.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 12331003 is about 3511.5527904333. The cubic root of 12331003 is about 231.0288064624.

Adding to 12331003 its reverse (30013321), we get a palindrome (42344324).

The spelling of 12331003 in words is "twelve million, three hundred thirty-one thousand, three".