1311143422330 has 64 divisors (see below), whose sum is σ = 2743928213760. Its totient is φ = 441753984000.

The previous prime is 1311143422231. The next prime is 1311143422331. The reversal of 1311143422330 is 332243411131.

It is not an unprimeable number, because it can be changed into a prime (1311143422331) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11511460 + ... + 11624800.

It is an arithmetic number, because the mean of its divisors is an integer number (42873878340).

Almost surely, 2^{1311143422330} is an apocalyptic number.

1311143422330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1311143422330 is an abundant number, since it is smaller than the sum of its proper divisors (1432784791430).

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

1311143422330 is a wasteful number, since it uses less digits than its factorization.

1311143422330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116215.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 1311143422330 its reverse (332243411131), we get a palindrome (1643386833461).

The spelling of 1311143422330 in words is "one trillion, three hundred eleven billion, one hundred forty-three million, four hundred twenty-two thousand, three hundred thirty".