1143751311330 has 32 divisors (see below), whose sum is σ = 2747756481984. Its totient is φ = 304694423616.

The previous prime is 1143751311293. The next prime is 1143751311331. The reversal of 1143751311330 is 331131573411.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1143751311291 and 1143751311300.

It is not an unprimeable number, because it can be changed into a prime (1143751311331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19089972 + ... + 19149791.

It is an arithmetic number, because the mean of its divisors is an integer number (85867390062).

Almost surely, 2^{1143751311330} is an apocalyptic number.

1143751311330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1143751311330 is an abundant number, since it is smaller than the sum of its proper divisors (1604005170654).

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

1143751311330 is a wasteful number, since it uses less digits than its factorization.

1143751311330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38240770.

The product of its (nonzero) digits is 11340, while the sum is 33.

Adding to 1143751311330 its reverse (331131573411), we get a palindrome (1474882884741).

The spelling of 1143751311330 in words is "one trillion, one hundred forty-three billion, seven hundred fifty-one million, three hundred eleven thousand, three hundred thirty".