213013013112103 has 4 divisors (see below), whose sum is σ = 213013042330320. Its totient is φ = 213012983893888.

The previous prime is 213013013112049. The next prime is 213013013112131. The reversal of 213013013112103 is 301211310310312.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213013013112103 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 (213013013115103) 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, 6340551 + ... + 21592327.

It is an arithmetic number, because the mean of its divisors is an integer number (53253260582580).

Almost surely, 2^{213013013112103} is an apocalyptic number.

213013013112103 is a deficient number, since it is larger than the sum of its proper divisors (29218217).

213013013112103 is a wasteful number, since it uses less digits than its factorization.

213013013112103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29218216.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 213013013112103 its reverse (301211310310312), we get a palindrome (514224323422415).

The spelling of 213013013112103 in words is "two hundred thirteen trillion, thirteen billion, thirteen million, one hundred twelve thousand, one hundred three".