442310133121 has 4 divisors (see below), whose sum is σ = 442341559044. Its totient is φ = 442278707200.

The previous prime is 442310133071. The next prime is 442310133131. The reversal of 442310133121 is 121331013244.

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 367313572096 + 74996561025 = 606064^2 + 273855^2 .

It is a cyclic number.

It is not a de Polignac number, because 442310133121 - 2⁹ = 442310132609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442310133131) 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, 15691840 + ... + 15720001.

It is an arithmetic number, because the mean of its divisors is an integer number (110585389761).

Almost surely, 2^442310133121 is an apocalyptic number.

It is an amenable number.

442310133121 is a deficient number, since it is larger than the sum of its proper divisors (31425923).

442310133121 is a wasteful number, since it uses less digits than its factorization.

442310133121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31425922.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 442310133121 its reverse (121331013244), we get a palindrome (563641146365).

The spelling of 442310133121 in words is "four hundred forty-two billion, three hundred ten million, one hundred thirty-three thousand, one hundred twenty-one".