331120001001 has 48 divisors (see below), whose sum is σ = 460957727360. Its totient is φ = 211410501120.

The previous prime is 331120000969. The next prime is 331120001011. The reversal of 331120001001 is 100100021133.

331120001001 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 331120001001 - 2⁵ = 331120000969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (331120001011) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 180840156 + ... + 180841986.

Almost surely, 2^331120001001 is an apocalyptic number.

It is an amenable number.

331120001001 is a deficient number, since it is larger than the sum of its proper divisors (129837726359).

331120001001 is a wasteful number, since it uses less digits than its factorization.

331120001001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2434 (or 2405 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 331120001001 its reverse (100100021133), we get a palindrome (431220022134).

The spelling of 331120001001 in words is "three hundred thirty-one billion, one hundred twenty million, one thousand, one".