321103432403 has 8 divisors (see below), whose sum is σ = 346730789328. Its totient is φ = 295608517344.

The previous prime is 321103432393. The next prime is 321103432457. The reversal of 321103432403 is 304234301123.

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 321103432403 - 2¹⁴ = 321103416019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321103432703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33105425 + ... + 33115122.

It is an arithmetic number, because the mean of its divisors is an integer number (43341348666).

Almost surely, 2^321103432403 is an apocalyptic number.

321103432403 is a deficient number, since it is larger than the sum of its proper divisors (25627356925).

321103432403 is a wasteful number, since it uses less digits than its factorization.

321103432403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66220933.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 321103432403 its reverse (304234301123), we get a palindrome (625337733526).

The spelling of 321103432403 in words is "three hundred twenty-one billion, one hundred three million, four hundred thirty-two thousand, four hundred three".