442310331121 has 4 divisors (see below), whose sum is σ = 442471232500. Its totient is φ = 442149429744.

The previous prime is 442310331091. The next prime is 442310331139. The reversal of 442310331121 is 121133013244.

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 52516138896 + 389794192225 = 229164^2 + 624335^2 .

It is a cyclic number.

It is not a de Polignac number, because 442310331121 - 2²³ = 442301942513 is a prime.

It is a super-2 number, since 2×442310331121² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442310331181) 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, 80446566 + ... + 80452063.

It is an arithmetic number, because the mean of its divisors is an integer number (110617808125).

Almost surely, 2^442310331121 is an apocalyptic number.

It is an amenable number.

442310331121 is a deficient number, since it is larger than the sum of its proper divisors (160901379).

442310331121 is a wasteful number, since it uses less digits than its factorization.

442310331121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160901378.

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

Adding to 442310331121 its reverse (121133013244), we get a palindrome (563443344365).

The spelling of 442310331121 in words is "four hundred forty-two billion, three hundred ten million, three hundred thirty-one thousand, one hundred twenty-one".