1331041421311 has 6 divisors (see below), whose sum is σ = 1548354306480. Its totient is φ = 1140892646796.

The previous prime is 1331041421287. The next prime is 1331041421389. The reversal of 1331041421311 is 1131241401331.

It is not a de Polignac number, because 1331041421311 - 2¹⁷ = 1331041290239 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 (1331041421011) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13582055271 + ... + 13582055368.

It is an arithmetic number, because the mean of its divisors is an integer number (258059051080).

Almost surely, 2^{1331041421311} is an apocalyptic number.

1331041421311 is a deficient number, since it is larger than the sum of its proper divisors (217312885169).

1331041421311 is an equidigital number, since it uses as much as digits as its factorization.

1331041421311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27164110653 (or 27164110646 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 1331041421311 its reverse (1131241401331), we get a palindrome (2462282822642).

The spelling of 1331041421311 in words is "one trillion, three hundred thirty-one billion, forty-one million, four hundred twenty-one thousand, three hundred eleven".