331232223321 has 8 divisors (see below), whose sum is σ = 490714404960. Its totient is φ = 220821482196.

The previous prime is 331232223281. The next prime is 331232223407. The reversal of 331232223321 is 123322232133.

331232223321 is a `hidden beast` number, since 3 + 3 + 1 + 2 + 322 + 2 + 332 + 1 = 666.

It is not a de Polignac number, because 331232223321 - 2⁹ = 331232222809 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 12267860123 = 331232223321 / (3 + 3 + 1 + 2 + 3 + 2 + 2 + 2 + 3 + 3 + 2 + 1).

It is not an unprimeable number, because it can be changed into a prime (331232223121) 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, 6133930035 + ... + 6133930088.

It is an arithmetic number, because the mean of its divisors is an integer number (61339300620).

Almost surely, 2^331232223321 is an apocalyptic number.

It is an amenable number.

331232223321 is a deficient number, since it is larger than the sum of its proper divisors (159482181639).

331232223321 is a wasteful number, since it uses less digits than its factorization.

331232223321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12267860132 (or 12267860126 counting only the distinct ones).

The product of its digits is 7776, while the sum is 27.

Adding to 331232223321 its reverse (123322232133), we get a palindrome (454554455454).

The spelling of 331232223321 in words is "three hundred thirty-one billion, two hundred thirty-two million, two hundred twenty-three thousand, three hundred twenty-one".