12031003 has 2 divisors, whose sum is σ = 12031004. Its totient is φ = 12031002.

The previous prime is 12030983. The next prime is 12031039. The reversal of 12031003 is 30013021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12031003 - 2¹³ = 12022811 is a prime.

It is not a weakly prime, because it can be changed into another prime (12031603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6015501 + 6015502.

It is an arithmetic number, because the mean of its divisors is an integer number (6015502).

Almost surely, 2^12031003 is an apocalyptic number.

12031003 is a deficient number, since it is larger than the sum of its proper divisors (1).

12031003 is an equidigital number, since it uses as much as digits as its factorization.

12031003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 12031003 is about 3468.5736261466. The cubic root of 12031003 is about 229.1398432664.

Adding to 12031003 its reverse (30013021), we get a palindrome (42044024).

The spelling of 12031003 in words is "twelve million, thirty-one thousand, three".