331121330120303 has 4 divisors (see below), whose sum is σ = 331123560958320. Its totient is φ = 331119099282288.

The previous prime is 331121330120261. The next prime is 331121330120351. The reversal of 331121330120303 is 303021033121133.

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 331121330120303 - 2³⁰ = 331120256378479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331121330120003) 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, 1115196350 + ... + 1115493227.

It is an arithmetic number, because the mean of its divisors is an integer number (82780890239580).

Almost surely, 2^{331121330120303} is an apocalyptic number.

331121330120303 is a deficient number, since it is larger than the sum of its proper divisors (2230838017).

331121330120303 is a wasteful number, since it uses less digits than its factorization.

331121330120303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2230838016.

The product of its (nonzero) digits is 2916, while the sum is 26.

Adding to 331121330120303 its reverse (303021033121133), we get a palindrome (634142363241436).

The spelling of 331121330120303 in words is "three hundred thirty-one trillion, one hundred twenty-one billion, three hundred thirty million, one hundred twenty thousand, three hundred three".