213334044013 has 8 divisors (see below), whose sum is σ = 215527965048. Its totient is φ = 211151345664.

The previous prime is 213334043983. The next prime is 213334044029. The reversal of 213334044013 is 310440433312.

It can be written as a sum of positive squares in 4 ways, for example, as 97942709764 + 115391334249 = 312958^2 + 339693^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 213334044013 - 2⁵ = 213334043981 is a prime.

It is a super-2 number, since 2×213334044013² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213334014013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2767456 + ... + 2843497.

It is an arithmetic number, because the mean of its divisors is an integer number (26940995631).

Almost surely, 2^213334044013 is an apocalyptic number.

It is an amenable number.

213334044013 is a deficient number, since it is larger than the sum of its proper divisors (2193921035).

213334044013 is a wasteful number, since it uses less digits than its factorization.

213334044013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5611343.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 213334044013 its reverse (310440433312), we get a palindrome (523774477325).

The spelling of 213334044013 in words is "two hundred thirteen billion, three hundred thirty-four million, forty-four thousand, thirteen".