10312109903 has 2 divisors, whose sum is σ = 10312109904. Its totient is φ = 10312109902.

The previous prime is 10312109897. The next prime is 10312109911. The reversal of 10312109903 is 30990121301.

10312109903 is digitally balanced in base 3, 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 10312109903 - 2⁶ = 10312109839 is a prime.

It is a super-2 number, since 2×10312109903² (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 (10312109993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5156054951 + 5156054952.

It is an arithmetic number, because the mean of its divisors is an integer number (5156054952).

Almost surely, 2^10312109903 is an apocalyptic number.

10312109903 is a deficient number, since it is larger than the sum of its proper divisors (1).

10312109903 is an equidigital number, since it uses as much as digits as its factorization.

10312109903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1458, while the sum is 29.

The spelling of 10312109903 in words is "ten billion, three hundred twelve million, one hundred nine thousand, nine hundred three".