331302231223 has 4 divisors (see below), whose sum is σ = 331804966680. Its totient is φ = 330799495768.

The previous prime is 331302231133. The next prime is 331302231233. The reversal of 331302231223 is 322132203133.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-331302231223 is a prime.

It is a super-2 number, since 2×331302231223² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331302231233) 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, 251366740 + ... + 251368057.

It is an arithmetic number, because the mean of its divisors is an integer number (82951241670).

Almost surely, 2^331302231223 is an apocalyptic number.

331302231223 is a deficient number, since it is larger than the sum of its proper divisors (502735457).

331302231223 is an equidigital number, since it uses as much as digits as its factorization.

331302231223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502735456.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 331302231223 its reverse (322132203133), we get a palindrome (653434434356).

The spelling of 331302231223 in words is "three hundred thirty-one billion, three hundred two million, two hundred thirty-one thousand, two hundred twenty-three".