331220123003 has 24 divisors (see below), whose sum is σ = 424043624880. Its totient is φ = 255809541120.

The previous prime is 331220122991. The next prime is 331220123093. The reversal of 331220123003 is 300321022133.

It is not a de Polignac number, because 331220123003 - 2⁶ = 331220122939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (331220123093) 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 23 ways as a sum of consecutive naturals, for example, 2658158 + ... + 2779971.

It is an arithmetic number, because the mean of its divisors is an integer number (17668484370).

Almost surely, 2^331220123003 is an apocalyptic number.

331220123003 is a deficient number, since it is larger than the sum of its proper divisors (92823501877).

331220123003 is a wasteful number, since it uses less digits than its factorization.

331220123003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5438267 (or 5438260 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 331220123003 its reverse (300321022133), we get a palindrome (631541145136).

The spelling of 331220123003 in words is "three hundred thirty-one billion, two hundred twenty million, one hundred twenty-three thousand, three".