213040302040103 has 4 divisors (see below), whose sum is σ = 213040475103720. Its totient is φ = 213040128976488.

The previous prime is 213040302040091. The next prime is 213040302040127. The reversal of 213040302040103 is 301040203040312.

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 213040302040103 - 2¹⁴ = 213040302023719 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 (213040302040403) 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, 84671993 + ... + 87151746.

It is an arithmetic number, because the mean of its divisors is an integer number (53260118775930).

Almost surely, 2^{213040302040103} is an apocalyptic number.

213040302040103 is a deficient number, since it is larger than the sum of its proper divisors (173063617).

213040302040103 is a wasteful number, since it uses less digits than its factorization.

213040302040103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173063616.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 213040302040103 its reverse (301040203040312), we get a palindrome (514080505080415).

The spelling of 213040302040103 in words is "two hundred thirteen trillion, forty billion, three hundred two million, forty thousand, one hundred three".