1311022113108 has 48 divisors (see below), whose sum is σ = 3154874231040. Its totient is φ = 423417262464.

The previous prime is 1311022113101. The next prime is 1311022113133. The reversal of 1311022113108 is 8013112201131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311022113101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6071191 + ... + 6283422.

It is an arithmetic number, because the mean of its divisors is an integer number (65726546480).

Almost surely, 2^{1311022113108} is an apocalyptic number.

It is an amenable number.

1311022113108 is an abundant number, since it is smaller than the sum of its proper divisors (1843852117932).

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

1311022113108 is a wasteful number, since it uses less digits than its factorization.

1311022113108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12354896 (or 12354894 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 24.

Adding to 1311022113108 its reverse (8013112201131), we get a palindrome (9324134314239).

The spelling of 1311022113108 in words is "one trillion, three hundred eleven billion, twenty-two million, one hundred thirteen thousand, one hundred eight".