442232311231 has 8 divisors (see below), whose sum is σ = 443138688000. Its totient is φ = 441326623608.

The previous prime is 442232311229. The next prime is 442232311249. The reversal of 442232311231 is 132113232244.

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

It is a cyclic number.

It is not a de Polignac number, because 442232311231 - 2¹ = 442232311229 is a prime.

It is a super-2 number, since 2×442232311231² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 442232311231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442232311211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1122390 + ... + 1464316.

It is an arithmetic number, because the mean of its divisors is an integer number (55392336000).

Almost surely, 2^442232311231 is an apocalyptic number.

442232311231 is a deficient number, since it is larger than the sum of its proper divisors (906376769).

442232311231 is a wasteful number, since it uses less digits than its factorization.

442232311231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344573.

The product of its digits is 6912, while the sum is 28.

Adding to 442232311231 its reverse (132113232244), we get a palindrome (574345543475).

The spelling of 442232311231 in words is "four hundred forty-two billion, two hundred thirty-two million, three hundred eleven thousand, two hundred thirty-one".