213201013331 has 16 divisors (see below), whose sum is σ = 219431721600. Its totient is φ = 207046103040.

The previous prime is 213201013301. The next prime is 213201013357. The reversal of 213201013331 is 133310102312.

It is a cyclic number.

It is not a de Polignac number, because 213201013331 - 2¹⁰ = 213201012307 is a prime.

It is a super-2 number, since 2×213201013331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213201013301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3791735 + ... + 3847551.

It is an arithmetic number, because the mean of its divisors is an integer number (13714482600).

Almost surely, 2^213201013331 is an apocalyptic number.

213201013331 is a deficient number, since it is larger than the sum of its proper divisors (6230708269).

213201013331 is a wasteful number, since it uses less digits than its factorization.

213201013331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56494.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 213201013331 its reverse (133310102312), we get a palindrome (346511115643).

The spelling of 213201013331 in words is "two hundred thirteen billion, two hundred one million, thirteen thousand, three hundred thirty-one".