213313011 has 4 divisors (see below), whose sum is σ = 284417352. Its totient is φ = 142208672.

The previous prime is 213313007. The next prime is 213313021. The reversal of 213313011 is 110313312.

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 213313011 - 2² = 213313007 is a prime.

It is a super-2 number, since 2×213313011² = 91004881323772242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (213313021) 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, 35552166 + ... + 35552171.

It is an arithmetic number, because the mean of its divisors is an integer number (71104338).

Almost surely, 2^213313011 is an apocalyptic number.

213313011 is a deficient number, since it is larger than the sum of its proper divisors (71104341).

213313011 is an equidigital number, since it uses as much as digits as its factorization.

213313011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71104340.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 213313011 is about 14605.2391627114. The cubic root of 213313011 is about 597.5016588132.

Adding to 213313011 its reverse (110313312), we get a palindrome (323626323).

It can be divided in two parts, 21331 and 3011, that added together give a palindrome (24342).

The spelling of 213313011 in words is "two hundred thirteen million, three hundred thirteen thousand, eleven".