442414311331 has 4 divisors (see below), whose sum is σ = 445063498992. Its totient is φ = 439765123672.

The previous prime is 442414311323. The next prime is 442414311341. The reversal of 442414311331 is 133113414244.

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 442414311331 - 2³ = 442414311323 is a prime.

It is a super-2 number, since 2×442414311331² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 442414311293 and 442414311302.

It is not an unprimeable number, because it can be changed into a prime (442414311341) 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, 1324593580 + ... + 1324593913.

It is an arithmetic number, because the mean of its divisors is an integer number (111265874748).

Almost surely, 2^442414311331 is an apocalyptic number.

442414311331 is a deficient number, since it is larger than the sum of its proper divisors (2649187661).

442414311331 is a wasteful number, since it uses less digits than its factorization.

442414311331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2649187660.

The product of its digits is 13824, while the sum is 31.

Adding to 442414311331 its reverse (133113414244), we get a palindrome (575527725575).

The spelling of 442414311331 in words is "four hundred forty-two billion, four hundred fourteen million, three hundred eleven thousand, three hundred thirty-one".