3031022121 has 4 divisors (see below), whose sum is σ = 4041362832. Its totient is φ = 2020681412.

The previous prime is 3031022081. The next prime is 3031022143. The reversal of 3031022121 is 1212201303.

3031022121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3031022121 - 2¹¹ = 3031020073 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3031022121.

It is not an unprimeable number, because it can be changed into a prime (3031022171) 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, 505170351 + ... + 505170356.

It is an arithmetic number, because the mean of its divisors is an integer number (1010340708).

Almost surely, 2^3031022121 is an apocalyptic number.

It is an amenable number.

3031022121 is a deficient number, since it is larger than the sum of its proper divisors (1010340711).

3031022121 is a wasteful number, since it uses less digits than its factorization.

3031022121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010340710.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 3031022121 is about 55054.7193344948. The cubic root of 3031022121 is about 1447.2038259212.

Adding to 3031022121 its reverse (1212201303), we get a palindrome (4243223424).

The spelling of 3031022121 in words is "three billion, thirty-one million, twenty-two thousand, one hundred twenty-one".