213253214213 has 8 divisors (see below), whose sum is σ = 229662002808. Its totient is φ = 196845096384.

The previous prime is 213253214197. The next prime is 213253214227. The reversal of 213253214213 is 312412352312.

It can be written as a sum of positive squares in 4 ways, for example, as 47573280769 + 165679933444 = 218113^2 + 407038^2 .

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 213253214213 - 2⁴ = 213253214197 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 (213253214243) 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, 634931 + ... + 910847.

It is an arithmetic number, because the mean of its divisors is an integer number (28707750351).

Almost surely, 2^213253214213 is an apocalyptic number.

It is an amenable number.

213253214213 is a deficient number, since it is larger than the sum of its proper divisors (16408788595).

213253214213 is a wasteful number, since it uses less digits than its factorization.

213253214213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335383.

The product of its digits is 8640, while the sum is 29.

Adding to 213253214213 its reverse (312412352312), we get a palindrome (525665566525).

The spelling of 213253214213 in words is "two hundred thirteen billion, two hundred fifty-three million, two hundred fourteen thousand, two hundred thirteen".