1142311514322 has 128 divisors (see below), whose sum is σ = 2752927119360. Its totient is φ = 312252272640.

The previous prime is 1142311514321. The next prime is 1142311514389. The reversal of 1142311514322 is 2234151132411.

It is a super-2 number, since 2×1142311514322² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1142311514322.

It is not an unprimeable number, because it can be changed into a prime (1142311514321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1591218 + ... + 2194674.

It is an arithmetic number, because the mean of its divisors is an integer number (21507243120).

Almost surely, 2^{1142311514322} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1142311514322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1376463559680).

1142311514322 is an abundant number, since it is smaller than the sum of its proper divisors (1610615605038).

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

1142311514322 is a wasteful number, since it uses less digits than its factorization.

1142311514322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603568.

The product of its digits is 5760, while the sum is 30.

Adding to 1142311514322 its reverse (2234151132411), we get a palindrome (3376462646733).

The spelling of 1142311514322 in words is "one trillion, one hundred forty-two billion, three hundred eleven million, five hundred fourteen thousand, three hundred twenty-two".