331023220322231 has 4 divisors (see below), whose sum is σ = 336633783378600. Its totient is φ = 325412657265864.

The previous prime is 331023220322203. The next prime is 331023220322297. The reversal of 331023220322231 is 132223022320133.

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 331023220322231 - 2¹⁴ = 331023220305847 is a prime.

It is a super-2 number, since 2×331023220322231² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 331023220322194 and 331023220322203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331023220324231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2805281528096 + ... + 2805281528213.

It is an arithmetic number, because the mean of its divisors is an integer number (84158445844650).

Almost surely, 2^{331023220322231} is an apocalyptic number.

331023220322231 is a deficient number, since it is larger than the sum of its proper divisors (5610563056369).

331023220322231 is an equidigital number, since it uses as much as digits as its factorization.

331023220322231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5610563056368.

The product of its (nonzero) digits is 15552, while the sum is 29.

Adding to 331023220322231 its reverse (132223022320133), we get a palindrome (463246242642364).

The spelling of 331023220322231 in words is "three hundred thirty-one trillion, twenty-three billion, two hundred twenty million, three hundred twenty-two thousand, two hundred thirty-one".