1311140244322 has 4 divisors (see below), whose sum is σ = 1966710366486. Its totient is φ = 655570122160.

The previous prime is 1311140244307. The next prime is 1311140244331. The reversal of 1311140244322 is 2234420411131.

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 only one way, i.e., 890628200361 + 420512043961 = 943731^2 + 648469^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327785061079 + ... + 327785061082.

Almost surely, 2^{1311140244322} is an apocalyptic number.

1311140244322 is a deficient number, since it is larger than the sum of its proper divisors (655570122164).

1311140244322 is an equidigital number, since it uses as much as digits as its factorization.

1311140244322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655570122163.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 1311140244322 its reverse (2234420411131), we get a palindrome (3545560655453).

The spelling of 1311140244322 in words is "one trillion, three hundred eleven billion, one hundred forty million, two hundred forty-four thousand, three hundred twenty-two".