442131230036011 has 4 divisors (see below), whose sum is σ = 468138949449912. Its totient is φ = 416123510622112.

The previous prime is 442131230035991. The next prime is 442131230036021. The reversal of 442131230036011 is 110630032131244.

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 442131230036011 - 2¹¹ = 442131230033963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442131230036021) 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, 13003859706925 + ... + 13003859706958.

It is an arithmetic number, because the mean of its divisors is an integer number (117034737362478).

Almost surely, 2^{442131230036011} is an apocalyptic number.

442131230036011 is a deficient number, since it is larger than the sum of its proper divisors (26007719413901).

442131230036011 is a wasteful number, since it uses less digits than its factorization.

442131230036011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26007719413900.

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

Adding to 442131230036011 its reverse (110630032131244), we get a palindrome (552761262167255).

The spelling of 442131230036011 in words is "four hundred forty-two trillion, one hundred thirty-one billion, two hundred thirty million, thirty-six thousand, eleven".