42424220031 has 8 divisors (see below), whose sum is σ = 58516165680. Its totient is φ = 27307543872.

The previous prime is 42424220029. The next prime is 42424220039. The reversal of 42424220031 is 13002242424.

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

It is not a de Polignac number, because 42424220031 - 2¹ = 42424220029 is a prime.

It is a super-2 number, since 2×42424220031² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42424219983 and 42424220010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42424220039) 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, 243817270 + ... + 243817443.

It is an arithmetic number, because the mean of its divisors is an integer number (7314520710).

Almost surely, 2^42424220031 is an apocalyptic number.

42424220031 is a deficient number, since it is larger than the sum of its proper divisors (16091945649).

42424220031 is a wasteful number, since it uses less digits than its factorization.

42424220031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487634745.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 42424220031 its reverse (13002242424), we get a palindrome (55426462455).

The spelling of 42424220031 in words is "forty-two billion, four hundred twenty-four million, two hundred twenty thousand, thirty-one".