1331121140311 has 8 divisors (see below), whose sum is σ = 1347784723584. Its totient is φ = 1314558243840.

The previous prime is 1331121140309. The next prime is 1331121140339. The reversal of 1331121140311 is 1130411211331.

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 1331121140311 - 2¹ = 1331121140309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331121140341) 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, 25145095 + ... + 25197976.

It is an arithmetic number, because the mean of its divisors is an integer number (168473090448).

Almost surely, 2^{1331121140311} is an apocalyptic number.

1331121140311 is a deficient number, since it is larger than the sum of its proper divisors (16663583273).

1331121140311 is a wasteful number, since it uses less digits than its factorization.

1331121140311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50343401.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 1331121140311 its reverse (1130411211331), we get a palindrome (2461532351642).

The spelling of 1331121140311 in words is "one trillion, three hundred thirty-one billion, one hundred twenty-one million, one hundred forty thousand, three hundred eleven".