3121301121 has 8 divisors (see below), whose sum is σ = 4167830880. Its totient is φ = 2077819392.

The previous prime is 3121301047. The next prime is 3121301147. The reversal of 3121301121 is 1211031213.

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 3121301121 - 2¹⁷ = 3121170049 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3121301121.

It is not an unprimeable number, because it can be changed into a prime (3121301191) 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, 759616 + ... + 763713.

It is an arithmetic number, because the mean of its divisors is an integer number (520978860).

Almost surely, 2^3121301121 is an apocalyptic number.

It is an amenable number.

3121301121 is a deficient number, since it is larger than the sum of its proper divisors (1046529759).

3121301121 is a wasteful number, since it uses less digits than its factorization.

3121301121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1524015.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 3121301121 is about 55868.6058623267. The cubic root of 3121301121 is about 1461.4318100198.

Adding to 3121301121 its reverse (1211031213), we get a palindrome (4332332334).

The spelling of 3121301121 in words is "three billion, one hundred twenty-one million, three hundred one thousand, one hundred twenty-one".