213331303103 has 4 divisors (see below), whose sum is σ = 213332572488. Its totient is φ = 213330033720.

The previous prime is 213331303021. The next prime is 213331303117. The reversal of 213331303103 is 301303133312.

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

It is a cyclic number.

It is not a de Polignac number, because 213331303103 - 2¹² = 213331299007 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 (213331303123) 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, 335633 + ... + 734378.

It is an arithmetic number, because the mean of its divisors is an integer number (53333143122).

Almost surely, 2^213331303103 is an apocalyptic number.

213331303103 is a deficient number, since it is larger than the sum of its proper divisors (1269385).

213331303103 is a wasteful number, since it uses less digits than its factorization.

213331303103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1269384.

The product of its (nonzero) digits is 1458, while the sum is 23.

Adding to 213331303103 its reverse (301303133312), we get a palindrome (514634436415).

The spelling of 213331303103 in words is "two hundred thirteen billion, three hundred thirty-one million, three hundred three thousand, one hundred three".