10403000321 has 32 divisors (see below), whose sum is σ = 12607680000. Its totient is φ = 8569907136.

The previous prime is 10403000317. The next prime is 10403000323. The reversal of 10403000321 is 12300030401.

It is not a de Polignac number, because 10403000321 - 2² = 10403000317 is a prime.

It is a super-2 number, since 2×10403000321² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10403000296 and 10403000305.

It is not an unprimeable number, because it can be changed into a prime (10403000323) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2275580 + ... + 2280146.

It is an arithmetic number, because the mean of its divisors is an integer number (393990000).

Almost surely, 2^10403000321 is an apocalyptic number.

It is an amenable number.

10403000321 is a deficient number, since it is larger than the sum of its proper divisors (2204679679).

10403000321 is an equidigital number, since it uses as much as digits as its factorization.

10403000321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4846 (or 4832 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 10403000321 its reverse (12300030401), we get a palindrome (22703030722).

The spelling of 10403000321 in words is "ten billion, four hundred three million, three hundred twenty-one", and thus it is an aban number.