1331321414141 has 4 divisors (see below), whose sum is σ = 1331399318172. Its totient is φ = 1331243510112.

The previous prime is 1331321414099. The next prime is 1331321414183. The reversal of 1331321414141 is 1414141231331.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1331321414099) and next prime (1331321414183).

It can be written as a sum of positive squares in 2 ways, for example, as 732316620025 + 599004794116 = 855755^2 + 773954^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1331321414141 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 (1331321414741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38926376 + ... + 38960561.

It is an arithmetic number, because the mean of its divisors is an integer number (332849829543).

Almost surely, 2^{1331321414141} is an apocalyptic number.

It is an amenable number.

1331321414141 is a deficient number, since it is larger than the sum of its proper divisors (77904031).

1331321414141 is an equidigital number, since it uses as much as digits as its factorization.

1331321414141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77904030.

The product of its digits is 3456, while the sum is 29.

Adding to 1331321414141 its reverse (1414141231331), we get a palindrome (2745462645472).

The spelling of 1331321414141 in words is "one trillion, three hundred thirty-one billion, three hundred twenty-one million, four hundred fourteen thousand, one hundred forty-one".