213103233103 has 16 divisors (see below), whose sum is σ = 234605606400. Its totient is φ = 192669507360.

The previous prime is 213103233053. The next prime is 213103233127. The reversal of 213103233103 is 301332301312.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213103233103 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 (213103233163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 363568 + ... + 747253.

It is an arithmetic number, because the mean of its divisors is an integer number (14662850400).

Almost surely, 2^213103233103 is an apocalyptic number.

213103233103 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

213103233103 is a deficient number, since it is larger than the sum of its proper divisors (21502373297).

213103233103 is a wasteful number, since it uses less digits than its factorization.

213103233103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111302.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 213103233103 its reverse (301332301312), we get a palindrome (514435534415).

The spelling of 213103233103 in words is "two hundred thirteen billion, one hundred three million, two hundred thirty-three thousand, one hundred three".