1311444641341 has 4 divisors (see below), whose sum is σ = 1332943733884. Its totient is φ = 1289945548800.

The previous prime is 1311444641321. The next prime is 1311444641357. The reversal of 1311444641341 is 1431464441131.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 237276152100 + 1074168489241 = 487110^2 + 1036421^2 .

It is a cyclic number.

It is not a de Polignac number, because 1311444641341 - 2⁹ = 1311444640829 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1311444641341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311444641321) 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, 10749546180 + ... + 10749546301.

It is an arithmetic number, because the mean of its divisors is an integer number (333235933471).

Almost surely, 2^{1311444641341} is an apocalyptic number.

It is an amenable number.

1311444641341 is a deficient number, since it is larger than the sum of its proper divisors (21499092543).

1311444641341 is an equidigital number, since it uses as much as digits as its factorization.

1311444641341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21499092542.

The product of its digits is 55296, while the sum is 37.

The spelling of 1311444641341 in words is "one trillion, three hundred eleven billion, four hundred forty-four million, six hundred forty-one thousand, three hundred forty-one".