215332350213 has 32 divisors (see below), whose sum is σ = 299150081280. Its totient is φ = 137649093120.

The previous prime is 215332350203. The next prime is 215332350223. The reversal of 215332350213 is 312053233512.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (215332350203) and next prime (215332350223).

It is not a de Polignac number, because 215332350213 - 2²⁰ = 215331301637 is a prime.

It is a super-2 number, since 2×215332350213² (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 (215332350203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25664223 + ... + 25672611.

It is an arithmetic number, because the mean of its divisors is an integer number (9348440040).

Almost surely, 2^215332350213 is an apocalyptic number.

It is an amenable number.

215332350213 is a deficient number, since it is larger than the sum of its proper divisors (83817731067).

215332350213 is a wasteful number, since it uses less digits than its factorization.

215332350213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11757.

The product of its (nonzero) digits is 16200, while the sum is 30.

Adding to 215332350213 its reverse (312053233512), we get a palindrome (527385583725).

The spelling of 215332350213 in words is "two hundred fifteen billion, three hundred thirty-two million, three hundred fifty thousand, two hundred thirteen".