103213321203 has 4 divisors (see below), whose sum is σ = 137617761608. Its totient is φ = 68808880800.

The previous prime is 103213321187. The next prime is 103213321231. The reversal of 103213321203 is 302123312301.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 103213321203 - 2⁴ = 103213321187 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 103213321203.

It is not an unprimeable number, because it can be changed into a prime (103213321243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17202220198 + ... + 17202220203.

It is an arithmetic number, because the mean of its divisors is an integer number (34404440402).

Almost surely, 2^103213321203 is an apocalyptic number.

103213321203 is a deficient number, since it is larger than the sum of its proper divisors (34404440405).

103213321203 is an equidigital number, since it uses as much as digits as its factorization.

103213321203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34404440404.

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

Adding to 103213321203 its reverse (302123312301), we get a palindrome (405336633504).

The spelling of 103213321203 in words is "one hundred three billion, two hundred thirteen million, three hundred twenty-one thousand, two hundred three".