1143320322213 has 64 divisors (see below), whose sum is σ = 1811496844800. Its totient is φ = 711295603200.

The previous prime is 1143320322187. The next prime is 1143320322239. The reversal of 1143320322213 is 3122230233411.

1143320322213 is a `hidden beast` number, since 1 + 1 + 4 + 3 + 320 + 322 + 2 + 13 = 666.

It is an interprime number because it is at equal distance from previous prime (1143320322187) and next prime (1143320322239).

It is not a de Polignac number, because 1143320322213 - 2¹² = 1143320318117 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143320322293) by changing a digit.

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, 4243945 + ... + 4505297.

It is an arithmetic number, because the mean of its divisors is an integer number (28304638200).

Almost surely, 2^{1143320322213} is an apocalyptic number.

It is an amenable number.

1143320322213 is a deficient number, since it is larger than the sum of its proper divisors (668176522587).

1143320322213 is a wasteful number, since it uses less digits than its factorization.

1143320322213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261579 (or 261573 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 1143320322213 its reverse (3122230233411), we get a palindrome (4265550555624).

The spelling of 1143320322213 in words is "one trillion, one hundred forty-three billion, three hundred twenty million, three hundred twenty-two thousand, two hundred thirteen".