213302120311 has 4 divisors (see below), whose sum is σ = 243773851792. Its totient is φ = 182830388832.

The previous prime is 213302120261. The next prime is 213302120323. The reversal of 213302120311 is 113021203312.

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

It is not a de Polignac number, because 213302120311 - 2³¹ = 211154636663 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 (213302120411) 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, 15235865730 + ... + 15235865743.

It is an arithmetic number, because the mean of its divisors is an integer number (60943462948).

Almost surely, 2^213302120311 is an apocalyptic number.

213302120311 is a deficient number, since it is larger than the sum of its proper divisors (30471731481).

213302120311 is an equidigital number, since it uses as much as digits as its factorization.

213302120311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30471731480.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 213302120311 its reverse (113021203312), we get a palindrome (326323323623).

The spelling of 213302120311 in words is "two hundred thirteen billion, three hundred two million, one hundred twenty thousand, three hundred eleven".