3031130121121 has 8 divisors (see below), whose sum is σ = 3041897670504. Its totient is φ = 3020365445760.

The previous prime is 3031130121113. The next prime is 3031130121167. The reversal of 3031130121121 is 1211210311303.

It can be written as a sum of positive squares in 4 ways, for example, as 469334606400 + 2561795514721 = 685080^2 + 1600561^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 3031130121121 - 2³ = 3031130121113 is a prime.

It is a super-2 number, since 2×3031130121121² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3031130191121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1405701 + ... + 2835181.

It is an arithmetic number, because the mean of its divisors is an integer number (380237208813).

Almost surely, 2^{3031130121121} is an apocalyptic number.

It is an amenable number.

3031130121121 is a deficient number, since it is larger than the sum of its proper divisors (10767549383).

3031130121121 is a wasteful number, since it uses less digits than its factorization.

3031130121121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1437011.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 3031130121121 its reverse (1211210311303), we get a palindrome (4242340432424).

The spelling of 3031130121121 in words is "three trillion, thirty-one billion, one hundred thirty million, one hundred twenty-one thousand, one hundred twenty-one".