213020301302311 has 4 divisors (see below), whose sum is σ = 218777606742952. Its totient is φ = 207262995861672.

The previous prime is 213020301302233. The next prime is 213020301302317. The reversal of 213020301302311 is 113203103020312.

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

It is not a de Polignac number, because 213020301302311 - 2¹⁵ = 213020301269543 is a prime.

It is a super-2 number, since 2×213020301302311² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213020301302317) 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, 2878652720265 + ... + 2878652720338.

It is an arithmetic number, because the mean of its divisors is an integer number (54694401685738).

Almost surely, 2^{213020301302311} is an apocalyptic number.

213020301302311 is a deficient number, since it is larger than the sum of its proper divisors (5757305440641).

213020301302311 is an equidigital number, since it uses as much as digits as its factorization.

213020301302311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5757305440640.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 213020301302311 its reverse (113203103020312), we get a palindrome (326223404322623).

The spelling of 213020301302311 in words is "two hundred thirteen trillion, twenty billion, three hundred one million, three hundred two thousand, three hundred eleven".