213224033233331 has 4 divisors (see below), whose sum is σ = 213238940891712. Its totient is φ = 213209125574952.

The previous prime is 213224033233327. The next prime is 213224033233439. The reversal of 213224033233331 is 133332330422312.

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 213224033233331 - 2² = 213224033233327 is a prime.

It is a super-2 number, since 2×213224033233331² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213224033233291 and 213224033233300.

It is not an unprimeable number, because it can be changed into a prime (213224033233031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7453807736 + ... + 7453836341.

It is an arithmetic number, because the mean of its divisors is an integer number (53309735222928).

Almost surely, 2^{213224033233331} is an apocalyptic number.

213224033233331 is a deficient number, since it is larger than the sum of its proper divisors (14907658381).

213224033233331 is a wasteful number, since it uses less digits than its factorization.

213224033233331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14907658380.

The product of its (nonzero) digits is 139968, while the sum is 35.

Adding to 213224033233331 its reverse (133332330422312), we get a palindrome (346556363655643).

The spelling of 213224033233331 in words is "two hundred thirteen trillion, two hundred twenty-four billion, thirty-three million, two hundred thirty-three thousand, three hundred thirty-one".