213313111313103 has 32 divisors (see below), whose sum is σ = 322994797747200. Its totient is φ = 139074539442048.

The previous prime is 213313111313101. The next prime is 213313111313129. The reversal of 213313111313103 is 301313111313312.

213313111313103 is a `hidden beast` number, since 2 + 1 + 3 + 3 + 1 + 311 + 1 + 31 + 310 + 3 = 666.

It is not a de Polignac number, because 213313111313103 - 2¹ = 213313111313101 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213313111313101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63880618 + ... + 67136871.

It is an arithmetic number, because the mean of its divisors is an integer number (10093587429600).

Almost surely, 2^{213313111313103} is an apocalyptic number.

213313111313103 is a deficient number, since it is larger than the sum of its proper divisors (109681686434097).

213313111313103 is a wasteful number, since it uses less digits than its factorization.

213313111313103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131018828 (or 131018822 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 27.

Adding to 213313111313103 its reverse (301313111313312), we get a palindrome (514626222626415).

The spelling of 213313111313103 in words is "two hundred thirteen trillion, three hundred thirteen billion, one hundred eleven million, three hundred thirteen thousand, one hundred three".