11331331142213 has 4 divisors (see below), whose sum is σ = 11331742604748. Its totient is φ = 11330919679680.

The previous prime is 11331331142207. The next prime is 11331331142251. The reversal of 11331331142213 is 31224113313311.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1999729717924 + 9331601424289 = 1414118^2 + 3054767^2 .

It is a cyclic number.

It is not a de Polignac number, because 11331331142213 - 2⁶ = 11331331142149 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 (11331331142293) 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, 205689956 + ... + 205745037.

It is an arithmetic number, because the mean of its divisors is an integer number (2832935651187).

Almost surely, 2^{11331331142213} is an apocalyptic number.

It is an amenable number.

11331331142213 is a deficient number, since it is larger than the sum of its proper divisors (411462535).

11331331142213 is an equidigital number, since it uses as much as digits as its factorization.

11331331142213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411462534.

The product of its digits is 3888, while the sum is 29.

Adding to 11331331142213 its reverse (31224113313311), we get a palindrome (42555444455524).

The spelling of 11331331142213 in words is "eleven trillion, three hundred thirty-one billion, three hundred thirty-one million, one hundred forty-two thousand, two hundred thirteen".