1031323022503 has 2 divisors, whose sum is σ = 1031323022504. Its totient is φ = 1031323022502.

The previous prime is 1031323022497. The next prime is 1031323022519. The reversal of 1031323022503 is 3052203231301.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1031323022503 - 2²⁵ = 1031289468071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1031323022003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515661511251 + 515661511252.

It is an arithmetic number, because the mean of its divisors is an integer number (515661511252).

Almost surely, 2^{1031323022503} is an apocalyptic number.

1031323022503 is a deficient number, since it is larger than the sum of its proper divisors (1).

1031323022503 is an equidigital number, since it uses as much as digits as its factorization.

1031323022503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 25.

Adding to 1031323022503 its reverse (3052203231301), we get a palindrome (4083526253804).

The spelling of 1031323022503 in words is "one trillion, thirty-one billion, three hundred twenty-three million, twenty-two thousand, five hundred three".