213223320331 has 8 divisors (see below), whose sum is σ = 243884037600. Its totient is φ = 182612663808.

The previous prime is 213223320311. The next prime is 213223320341. The reversal of 213223320331 is 133023322312.

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 213223320331 - 2¹³ = 213223312139 is a prime.

It is a super-2 number, since 2×213223320331² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 213223320296 and 213223320305.

It is not an unprimeable number, because it can be changed into a prime (213223320311) 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, 12506056 + ... + 12523093.

It is an arithmetic number, because the mean of its divisors is an integer number (30485504700).

Almost surely, 2^213223320331 is an apocalyptic number.

213223320331 is a deficient number, since it is larger than the sum of its proper divisors (30660717269).

213223320331 is a wasteful number, since it uses less digits than its factorization.

213223320331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25030373.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 213223320331 its reverse (133023322312), we get a palindrome (346246642643).

The spelling of 213223320331 in words is "two hundred thirteen billion, two hundred twenty-three million, three hundred twenty thousand, three hundred thirty-one".