11331321042343 has 4 divisors (see below), whose sum is σ = 11331572821768. Its totient is φ = 11331069262920.

The previous prime is 11331321042311. The next prime is 11331321042383. The reversal of 11331321042343 is 34324012313311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11331321042343 - 2⁵ = 11331321042311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11331321042383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125822193 + ... + 125912218.

It is an arithmetic number, because the mean of its divisors is an integer number (2832893205442).

Almost surely, 2^{11331321042343} is an apocalyptic number.

11331321042343 is a deficient number, since it is larger than the sum of its proper divisors (251779425).

11331321042343 is an equidigital number, since it uses as much as digits as its factorization.

11331321042343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251779424.

The product of its (nonzero) digits is 15552, while the sum is 31.

Adding to 11331321042343 its reverse (34324012313311), we get a palindrome (45655333355654).

The spelling of 11331321042343 in words is "eleven trillion, three hundred thirty-one billion, three hundred twenty-one million, forty-two thousand, three hundred forty-three".