1311242365622 has 12 divisors (see below), whose sum is σ = 2287984127940. Its totient is φ = 561961013796.

The previous prime is 1311242365621. The next prime is 1311242365627. The reversal of 1311242365622 is 2265632421131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311242365621) 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, 6690011972 + ... + 6690012167.

It is an arithmetic number, because the mean of its divisors is an integer number (190665343995).

Almost surely, 2^{1311242365622} is an apocalyptic number.

1311242365622 is a deficient number, since it is larger than the sum of its proper divisors (976741762318).

1311242365622 is a wasteful number, since it uses less digits than its factorization.

1311242365622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13380024155 (or 13380024148 counting only the distinct ones).

The product of its digits is 103680, while the sum is 38.

Adding to 1311242365622 its reverse (2265632421131), we get a palindrome (3576874786753).

The spelling of 1311242365622 in words is "one trillion, three hundred eleven billion, two hundred forty-two million, three hundred sixty-five thousand, six hundred twenty-two".