213341021331 has 16 divisors (see below), whose sum is σ = 301460465664. Its totient is φ = 133739636864.

The previous prime is 213341021293. The next prime is 213341021353. The reversal of 213341021331 is 133120143312.

It is a cyclic number.

It is not a de Polignac number, because 213341021331 - 2⁹ = 213341020819 is a prime.

It is a super-2 number, since 2×213341021331² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (213341022331) 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, 1840011 + ... + 1952516.

It is an arithmetic number, because the mean of its divisors is an integer number (18841279104).

Almost surely, 2^213341021331 is an apocalyptic number.

213341021331 is a deficient number, since it is larger than the sum of its proper divisors (88119444333).

213341021331 is a wasteful number, since it uses less digits than its factorization.

213341021331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3793650.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 213341021331 its reverse (133120143312), we get a palindrome (346461164643).

The spelling of 213341021331 in words is "two hundred thirteen billion, three hundred forty-one million, twenty-one thousand, three hundred thirty-one".