1311322404202 has 32 divisors (see below), whose sum is σ = 2123958775680. Its totient is φ = 605334797760.

The previous prime is 1311322404181. The next prime is 1311322404211. The reversal of 1311322404202 is 2024042231131.

It is a super-2 number, since 2×1311322404202² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4064052 + ... + 4374832.

It is an arithmetic number, because the mean of its divisors is an integer number (66373711740).

Almost surely, 2^{1311322404202} is an apocalyptic number.

1311322404202 is a deficient number, since it is larger than the sum of its proper divisors (812636371478).

1311322404202 is a wasteful number, since it uses less digits than its factorization.

1311322404202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313998.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 1311322404202 its reverse (2024042231131), we get a palindrome (3335364635333).

The spelling of 1311322404202 in words is "one trillion, three hundred eleven billion, three hundred twenty-two million, four hundred four thousand, two hundred two".