10003214321 has 4 divisors (see below), whose sum is σ = 10003993152. Its totient is φ = 10002435492.

The previous prime is 10003214311. The next prime is 10003214357. The reversal of 10003214321 is 12341230001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10003214321 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10003214321.

It is not an unprimeable number, because it can be changed into a prime (10003214311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 369821 + ... + 395946.

It is an arithmetic number, because the mean of its divisors is an integer number (2500998288).

Almost surely, 2^10003214321 is an apocalyptic number.

It is an amenable number.

10003214321 is a deficient number, since it is larger than the sum of its proper divisors (778831).

10003214321 is an equidigital number, since it uses as much as digits as its factorization.

10003214321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778830.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 10003214321 its reverse (12341230001), we get a palindrome (22344444322).

The spelling of 10003214321 in words is "ten billion, three million, two hundred fourteen thousand, three hundred twenty-one".