331121220322003 has 4 divisors (see below), whose sum is σ = 331121851627320. Its totient is φ = 331120589016688.

The previous prime is 331121220322001. The next prime is 331121220322031. The reversal of 331121220322003 is 300223022121133.

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 331121220322003 - 2¹ = 331121220322001 is a prime.

It is a super-2 number, since 2×331121220322003² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (331121220322001) 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, 314865250 + ... + 315915127.

It is an arithmetic number, because the mean of its divisors is an integer number (82780462906830).

Almost surely, 2^{331121220322003} is an apocalyptic number.

331121220322003 is a deficient number, since it is larger than the sum of its proper divisors (631305317).

331121220322003 is an equidigital number, since it uses as much as digits as its factorization.

331121220322003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631305316.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 331121220322003 its reverse (300223022121133), we get a palindrome (631344242443136).

The spelling of 331121220322003 in words is "three hundred thirty-one trillion, one hundred twenty-one billion, two hundred twenty million, three hundred twenty-two thousand, three".