331130030121 has 24 divisors (see below), whose sum is σ = 521896065600. Its totient is φ = 200640477600.

The previous prime is 331130030107. The next prime is 331130030123. The reversal of 331130030121 is 121030031133.

It is a happy number.

331130030121 is a `hidden beast` number, since 3 + 311 + 30 + 0 + 301 + 21 = 666.

It is not a de Polignac number, because 331130030121 - 2³⁰ = 330056288297 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 331130030094 and 331130030103.

It is not an unprimeable number, because it can be changed into a prime (331130030123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 82716 + ... + 817986.

It is an arithmetic number, because the mean of its divisors is an integer number (21745669400).

Almost surely, 2^331130030121 is an apocalyptic number.

It is an amenable number.

331130030121 is a deficient number, since it is larger than the sum of its proper divisors (190766035479).

331130030121 is a wasteful number, since it uses less digits than its factorization.

331130030121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 739837 (or 739834 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 331130030121 its reverse (121030031133), we get a palindrome (452160061254).

The spelling of 331130030121 in words is "three hundred thirty-one billion, one hundred thirty million, thirty thousand, one hundred twenty-one".