7031243121 has 8 divisors (see below), whose sum is σ = 10714275264. Its totient is φ = 4017853200.

The previous prime is 7031243047. The next prime is 7031243123. The reversal of 7031243121 is 1213421307.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7031243121 - 2²² = 7027048817 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7031243091 and 7031243100.

It is not an unprimeable number, because it can be changed into a prime (7031243123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167410530 + ... + 167410571.

It is an arithmetic number, because the mean of its divisors is an integer number (1339284408).

Almost surely, 2^7031243121 is an apocalyptic number.

It is an amenable number.

7031243121 is a deficient number, since it is larger than the sum of its proper divisors (3683032143).

7031243121 is a wasteful number, since it uses less digits than its factorization.

7031243121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334821111.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 7031243121 is about 83852.5081378011. The cubic root of 7031243121 is about 1915.7729562201.

Adding to 7031243121 its reverse (1213421307), we get a palindrome (8244664428).

The spelling of 7031243121 in words is "seven billion, thirty-one million, two hundred forty-three thousand, one hundred twenty-one".