331323321323 has 4 divisors (see below), whose sum is σ = 331592472288. Its totient is φ = 331054170360.

The previous prime is 331323321293. The next prime is 331323321367. The reversal of 331323321323 is 323123323133.

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 331323321323 - 2¹⁰ = 331323320299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (331323327323) 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, 134573636 + ... + 134576097.

It is an arithmetic number, because the mean of its divisors is an integer number (82898118072).

Almost surely, 2^331323321323 is an apocalyptic number.

331323321323 is a deficient number, since it is larger than the sum of its proper divisors (269150965).

331323321323 is a wasteful number, since it uses less digits than its factorization.

331323321323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269150964.

The product of its digits is 17496, while the sum is 29.

Adding to 331323321323 its reverse (323123323133), we get a palindrome (654446644456).

The spelling of 331323321323 in words is "three hundred thirty-one billion, three hundred twenty-three million, three hundred twenty-one thousand, three hundred twenty-three".