213333201322331 has 4 divisors (see below), whose sum is σ = 213480632699952. Its totient is φ = 213185769944712.

The previous prime is 213333201322309. The next prime is 213333201322369. The reversal of 213333201322331 is 133223102333312.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 213333201322331 - 2²⁶ = 213333134213467 is a prime.

It is a super-2 number, since 2×213333201322331² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213333201322301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73715686640 + ... + 73715689533.

It is an arithmetic number, because the mean of its divisors is an integer number (53370158174988).

Almost surely, 2^{213333201322331} is an apocalyptic number.

213333201322331 is a deficient number, since it is larger than the sum of its proper divisors (147431377621).

213333201322331 is a wasteful number, since it uses less digits than its factorization.

213333201322331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147431377620.

The product of its (nonzero) digits is 34992, while the sum is 32.

Adding to 213333201322331 its reverse (133223102333312), we get a palindrome (346556303655643).

The spelling of 213333201322331 in words is "two hundred thirteen trillion, three hundred thirty-three billion, two hundred one million, three hundred twenty-two thousand, three hundred thirty-one".