1311102828 has 192 divisors, whose sum is σ = 4135756800. Its totient is φ = 350853120.

The previous prime is 1311102811. The next prime is 1311102853. The reversal of 1311102828 is 8282011131.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 in 63 ways as a sum of consecutive naturals, for example, 1392838 + ... + 1393778.

It is an arithmetic number, because the mean of its divisors is an integer number (21540400).

Almost surely, 2^1311102828 is an apocalyptic number.

1311102828 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1311102828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2067878400).

1311102828 is an abundant number, since it is smaller than the sum of its proper divisors (2824653972).

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

1311102828 is a wasteful number, since it uses less digits than its factorization.

1311102828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1077 (or 1069 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 27.

The square root of 1311102828 is about 36209.1539254924. The cubic root of 1311102828 is about 1094.4911428114.

Adding to 1311102828 its reverse (8282011131), we get a palindrome (9593113959).

The spelling of 1311102828 in words is "one billion, three hundred eleven million, one hundred two thousand, eight hundred twenty-eight".