103321332503 has 4 divisors (see below), whose sum is σ = 103784657088. Its totient is φ = 102858007920.

The previous prime is 103321332461. The next prime is 103321332509. The reversal of 103321332503 is 305233123301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 305233123301 = 37 ⋅8249543873.

It is a cyclic number.

It is not a de Polignac number, because 103321332503 - 2³⁴ = 86141463319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103321332509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 231661958 + ... + 231662403.

It is an arithmetic number, because the mean of its divisors is an integer number (25946164272).

Almost surely, 2^103321332503 is an apocalyptic number.

103321332503 is a deficient number, since it is larger than the sum of its proper divisors (463324585).

103321332503 is an equidigital number, since it uses as much as digits as its factorization.

103321332503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463324584.

The product of its (nonzero) digits is 4860, while the sum is 26.

Adding to 103321332503 its reverse (305233123301), we get a palindrome (408554455804).

The spelling of 103321332503 in words is "one hundred three billion, three hundred twenty-one million, three hundred thirty-two thousand, five hundred three".