1311003322441 has 4 divisors (see below), whose sum is σ = 1311052684932. Its totient is φ = 1310953959952.

The previous prime is 1311003322439. The next prime is 1311003322457. The reversal of 1311003322441 is 1442233001131.

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 1201643478025 + 109359844416 = 1096195^2 + 330696^2 .

It is a cyclic number.

It is not a de Polignac number, because 1311003322441 - 2¹ = 1311003322439 is a prime.

It is a super-2 number, since 2×1311003322441² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1311003322411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24641386 + ... + 24694531.

It is an arithmetic number, because the mean of its divisors is an integer number (327763171233).

Almost surely, 2^{1311003322441} is an apocalyptic number.

It is an amenable number.

1311003322441 is a deficient number, since it is larger than the sum of its proper divisors (49362491).

1311003322441 is an equidigital number, since it uses as much as digits as its factorization.

1311003322441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49362490.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 1311003322441 its reverse (1442233001131), we get a palindrome (2753236323572).

The spelling of 1311003322441 in words is "one trillion, three hundred eleven billion, three million, three hundred twenty-two thousand, four hundred forty-one".