442033131112213 has 4 divisors (see below), whose sum is σ = 442034070199948. Its totient is φ = 442032192024480.

The previous prime is 442033131112193. The next prime is 442033131112229. The reversal of 442033131112213 is 312211131330244.

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 118428218595729 + 323604912516484 = 10882473^2 + 17989022^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-442033131112213 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 (442033131112913) 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, 468837456 + ... + 469779337.

It is an arithmetic number, because the mean of its divisors is an integer number (110508517549987).

Almost surely, 2^{442033131112213} is an apocalyptic number.

It is an amenable number.

442033131112213 is a deficient number, since it is larger than the sum of its proper divisors (939087735).

442033131112213 is an equidigital number, since it uses as much as digits as its factorization.

442033131112213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 939087734.

The product of its (nonzero) digits is 10368, while the sum is 31.

Adding to 442033131112213 its reverse (312211131330244), we get a palindrome (754244262442457).

The spelling of 442033131112213 in words is "four hundred forty-two trillion, thirty-three billion, one hundred thirty-one million, one hundred twelve thousand, two hundred thirteen".