442431401411321 has 8 divisors (see below), whose sum is σ = 505638441455424. Its totient is φ = 379224999899280.

The previous prime is 442431401411303. The next prime is 442431401411333. The reversal of 442431401411321 is 123114104134244.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-442431401411321 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (442431401011321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158147330 + ... + 160920603.

It is an arithmetic number, because the mean of its divisors is an integer number (63204805181928).

Almost surely, 2^{442431401411321} is an apocalyptic number.

It is an amenable number.

442431401411321 is a deficient number, since it is larger than the sum of its proper divisors (63207040044103).

442431401411321 is a wasteful number, since it uses less digits than its factorization.

442431401411321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319266031.

The product of its (nonzero) digits is 36864, while the sum is 35.

Adding to 442431401411321 its reverse (123114104134244), we get a palindrome (565545505545565).

The spelling of 442431401411321 in words is "four hundred forty-two trillion, four hundred thirty-one billion, four hundred one million, four hundred eleven thousand, three hundred twenty-one".