1311143010112 has 112 divisors (see below), whose sum is σ = 2962295929600. Its totient is φ = 570788259840.

The previous prime is 1311143010103. The next prime is 1311143010139. The reversal of 1311143010112 is 2110103411131.

It is a super-2 number, since 2×1311143010112² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 1311143010112.

It is a congruent number.

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, 3438937 + ... + 3801127.

It is an arithmetic number, because the mean of its divisors is an integer number (26449070800).

Almost surely, 2^{1311143010112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1311143010112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1481147964800).

1311143010112 is an abundant number, since it is smaller than the sum of its proper divisors (1651152919488).

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

1311143010112 is a wasteful number, since it uses less digits than its factorization.

1311143010112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362464 (or 362454 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 1311143010112 its reverse (2110103411131), we get a palindrome (3421246421243).

The spelling of 1311143010112 in words is "one trillion, three hundred eleven billion, one hundred forty-three million, ten thousand, one hundred twelve".