320030231121 has 32 divisors (see below), whose sum is σ = 502440693120. Its totient is φ = 200630287872.

The previous prime is 320030231099. The next prime is 320030231123. The reversal of 320030231121 is 121132030023.

320030231121 is a `hidden beast` number, since 32 + 0 + 0 + 302 + 311 + 21 = 666.

It is not a de Polignac number, because 320030231121 - 2¹⁵ = 320030198353 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 320030231094 and 320030231103.

It is not an unprimeable number, because it can be changed into a prime (320030231123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 234061 + ... + 833573.

It is an arithmetic number, because the mean of its divisors is an integer number (15701271660).

Almost surely, 2^320030231121 is an apocalyptic number.

It is an amenable number.

320030231121 is a deficient number, since it is larger than the sum of its proper divisors (182410461999).

320030231121 is a wasteful number, since it uses less digits than its factorization.

320030231121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600702 (or 600696 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 320030231121 its reverse (121132030023), we get a palindrome (441162261144).

The spelling of 320030231121 in words is "three hundred twenty billion, thirty million, two hundred thirty-one thousand, one hundred twenty-one".