321040010003 has 8 divisors (see below), whose sum is σ = 324909052416. Its totient is φ = 317185432200.

The previous prime is 321040009991. The next prime is 321040010021. The reversal of 321040010003 is 300010040123.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 321040010003 - 2²⁰ = 321038961427 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 321040010003.

It is not an unprimeable number, because it can be changed into a prime (321040010033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3571493 + ... + 3660278.

It is an arithmetic number, because the mean of its divisors is an integer number (40613631552).

Almost surely, 2^321040010003 is an apocalyptic number.

321040010003 is a deficient number, since it is larger than the sum of its proper divisors (3869042413).

321040010003 is a wasteful number, since it uses less digits than its factorization.

321040010003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7232305.

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

Adding to 321040010003 its reverse (300010040123), we get a palindrome (621050050126).

The spelling of 321040010003 in words is "three hundred twenty-one billion, forty million, ten thousand, three".