103403103321 has 32 divisors (see below), whose sum is σ = 158693936128. Its totient is φ = 58665487680.

The previous prime is 103403103257. The next prime is 103403103361. The reversal of 103403103321 is 123301304301.

It is not a de Polignac number, because 103403103321 - 2⁶ = 103403103257 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (103403103361) 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, 3480090 + ... + 3509676.

It is an arithmetic number, because the mean of its divisors is an integer number (4959185504).

Almost surely, 2^103403103321 is an apocalyptic number.

It is an amenable number.

103403103321 is a deficient number, since it is larger than the sum of its proper divisors (55290832807).

103403103321 is a wasteful number, since it uses less digits than its factorization.

103403103321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30781.

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

Adding to 103403103321 its reverse (123301304301), we get a palindrome (226704407622).

The spelling of 103403103321 in words is "one hundred three billion, four hundred three million, one hundred three thousand, three hundred twenty-one".