213223022331 has 16 divisors (see below), whose sum is σ = 310531753728. Its totient is φ = 129063917600.

The previous prime is 213223022317. The next prime is 213223022357. The reversal of 213223022331 is 133220322312.

It is a cyclic number.

It is not a de Polignac number, because 213223022331 - 2⁶ = 213223022267 is a prime.

It is a super-2 number, since 2×213223022331² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (213223022381) 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, 4027215 + ... + 4079816.

It is an arithmetic number, because the mean of its divisors is an integer number (19408234608).

Almost surely, 2^213223022331 is an apocalyptic number.

213223022331 is a deficient number, since it is larger than the sum of its proper divisors (97308731397).

213223022331 is a wasteful number, since it uses less digits than its factorization.

213223022331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8107842.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 213223022331 its reverse (133220322312), we get a palindrome (346443344643).

The spelling of 213223022331 in words is "two hundred thirteen billion, two hundred twenty-three million, twenty-two thousand, three hundred thirty-one".