42422303531 has 4 divisors (see below), whose sum is σ = 42423720792. Its totient is φ = 42420886272.

The previous prime is 42422303501. The next prime is 42422303549. The reversal of 42422303531 is 13530322424.

It is a happy number.

42422303531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 42422303531 - 2³⁰ = 41348561707 is a prime.

It is a super-2 number, since 2×42422303531² (a number of 22 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 = 42422303494 and 42422303503.

It is not an unprimeable number, because it can be changed into a prime (42422303501) 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, 662741 + ... + 723926.

It is an arithmetic number, because the mean of its divisors is an integer number (10605930198).

Almost surely, 2^42422303531 is an apocalyptic number.

42422303531 is a deficient number, since it is larger than the sum of its proper divisors (1417261).

42422303531 is a wasteful number, since it uses less digits than its factorization.

42422303531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1417260.

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 42422303531 its reverse (13530322424), we get a palindrome (55952625955).

The spelling of 42422303531 in words is "forty-two billion, four hundred twenty-two million, three hundred three thousand, five hundred thirty-one".