42245444131 has 8 divisors (see below), whose sum is σ = 46195934400. Its totient is φ = 38313286440.

The previous prime is 42245444123. The next prime is 42245444173. The reversal of 42245444131 is 13144454224.

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

It is not a de Polignac number, because 42245444131 - 2³ = 42245444123 is a prime.

It is a super-2 number, since 2×42245444131² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42245447131) 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, 4578321 + ... + 4587538.

It is an arithmetic number, because the mean of its divisors is an integer number (5774491800).

Almost surely, 2^42245444131 is an apocalyptic number.

42245444131 is a deficient number, since it is larger than the sum of its proper divisors (3950490269).

42245444131 is a wasteful number, since it uses less digits than its factorization.

42245444131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9166289.

The product of its digits is 61440, while the sum is 34.

Adding to 42245444131 its reverse (13144454224), we get a palindrome (55389898355).

The spelling of 42245444131 in words is "forty-two billion, two hundred forty-five million, four hundred forty-four thousand, one hundred thirty-one".