10000320003 has 12 divisors (see below), whose sum is σ = 14835310048. Its totient is φ = 6486693840.

The previous prime is 10000319947. The next prime is 10000320037. The reversal of 10000320003 is 30002300001.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-10000320003 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10000320073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15015163 + ... + 15015828.

Almost surely, 2^10000320003 is an apocalyptic number.

10000320003 is a deficient number, since it is larger than the sum of its proper divisors (4834990045).

10000320003 is a wasteful number, since it uses less digits than its factorization.

10000320003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30031034 (or 30031031 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 9.

Adding to 10000320003 its reverse (30002300001), we get a palindrome (40002620004).

The spelling of 10000320003 in words is "ten billion, three hundred twenty thousand, three".