1031312003 has 2 divisors, whose sum is σ = 1031312004. Its totient is φ = 1031312002.

The previous prime is 1031311997. The next prime is 1031312011. The reversal of 1031312003 is 3002131301.

1031312003 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1031312003 - 2⁸ = 1031311747 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1031312053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515656001 + 515656002.

It is an arithmetic number, because the mean of its divisors is an integer number (515656002).

Almost surely, 2^1031312003 is an apocalyptic number.

1031312003 is a deficient number, since it is larger than the sum of its proper divisors (1).

1031312003 is an equidigital number, since it uses as much as digits as its factorization.

1031312003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 1031312003 is about 32114.0468175532. The cubic root of 1031312003 is about 1010.3302527502.

Adding to 1031312003 its reverse (3002131301), we get a palindrome (4033443304).

The spelling of 1031312003 in words is "one billion, thirty-one million, three hundred twelve thousand, three".