103321032321 has 48 divisors (see below), whose sum is σ = 153211088576. Its totient is φ = 61522581888.

The previous prime is 103321032307. The next prime is 103321032343. The reversal of 103321032321 is 123230123301.

It is not a de Polignac number, because 103321032321 - 2¹¹ = 103321030273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (103321032301) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 205409356 + ... + 205409858.

Almost surely, 2^103321032321 is an apocalyptic number.

It is an amenable number.

103321032321 is a deficient number, since it is larger than the sum of its proper divisors (49890056255).

103321032321 is an equidigital number, since it uses as much as digits as its factorization.

103321032321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1342 (or 839 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 103321032321 its reverse (123230123301), we get a palindrome (226551155622).

The spelling of 103321032321 in words is "one hundred three billion, three hundred twenty-one million, thirty-two thousand, three hundred twenty-one".