12313052503 has 2 divisors, whose sum is σ = 12313052504. Its totient is φ = 12313052502.

The previous prime is 12313052491. The next prime is 12313052539. The reversal of 12313052503 is 30525031321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12313052503 - 2⁹ = 12313051991 is a prime.

It is a super-2 number, since 2×12313052503² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12313022503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6156526251 + 6156526252.

It is an arithmetic number, because the mean of its divisors is an integer number (6156526252).

Almost surely, 2^12313052503 is an apocalyptic number.

12313052503 is a deficient number, since it is larger than the sum of its proper divisors (1).

12313052503 is an equidigital number, since it uses as much as digits as its factorization.

12313052503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2700, while the sum is 25.

Adding to 12313052503 its reverse (30525031321), we get a palindrome (42838083824).

The spelling of 12313052503 in words is "twelve billion, three hundred thirteen million, fifty-two thousand, five hundred three".