1311423324162 has 128 divisors (see below), whose sum is σ = 3118127007744. Its totient is φ = 359886302208.

The previous prime is 1311423324137. The next prime is 1311423324209. The reversal of 1311423324162 is 2614233241131.

It is a super-2 number, since 2×1311423324162² (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 63 ways as a sum of consecutive naturals, for example, 200305773 + ... + 200312319.

It is an arithmetic number, because the mean of its divisors is an integer number (24360367248).

Almost surely, 2^{1311423324162} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1311423324162, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1559063503872).

1311423324162 is an abundant number, since it is smaller than the sum of its proper divisors (1806703683582).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1311423324162 is a wasteful number, since it uses less digits than its factorization.

1311423324162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8232.

The product of its digits is 20736, while the sum is 33.

Adding to 1311423324162 its reverse (2614233241131), we get a palindrome (3925656565293).

The spelling of 1311423324162 in words is "one trillion, three hundred eleven billion, four hundred twenty-three million, three hundred twenty-four thousand, one hundred sixty-two".