442020142313 has 12 divisors (see below), whose sum is σ = 451968258432. Its totient is φ = 432286581480.

The previous prime is 442020142309. The next prime is 442020142349. The reversal of 442020142313 is 313241020244.

It is not a de Polignac number, because 442020142313 - 2² = 442020142309 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442020142303) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2855948 + ... + 3006738.

It is an arithmetic number, because the mean of its divisors is an integer number (37664021536).

Almost surely, 2^442020142313 is an apocalyptic number.

It is an amenable number.

442020142313 is a deficient number, since it is larger than the sum of its proper divisors (9948116119).

442020142313 is a wasteful number, since it uses less digits than its factorization.

442020142313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152212 (or 152165 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 442020142313 its reverse (313241020244), we get a palindrome (755261162557).

The spelling of 442020142313 in words is "four hundred forty-two billion, twenty million, one hundred forty-two thousand, three hundred thirteen".