1331343234121 has 8 divisors (see below), whose sum is σ = 1339895844000. Its totient is φ = 1322803012800.

The previous prime is 1331343233939. The next prime is 1331343234161. The reversal of 1331343234121 is 1214323431331.

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 1331343234121 - 2²⁹ = 1330806363209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1331343234161) 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, 2881471 + ... + 3311428.

It is an arithmetic number, because the mean of its divisors is an integer number (167486980500).

Almost surely, 2^{1331343234121} is an apocalyptic number.

It is an amenable number.

1331343234121 is a deficient number, since it is larger than the sum of its proper divisors (8552609879).

1331343234121 is a wasteful number, since it uses less digits than its factorization.

1331343234121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6194279.

The product of its digits is 15552, while the sum is 31.

Adding to 1331343234121 its reverse (1214323431331), we get a palindrome (2545666665452).

The spelling of 1331343234121 in words is "one trillion, three hundred thirty-one billion, three hundred forty-three million, two hundred thirty-four thousand, one hundred twenty-one".