42320200031 has 24 divisors (see below), whose sum is σ = 47371369824. Its totient is φ = 37720520640.

The previous prime is 42320200003. The next prime is 42320200051. The reversal of 42320200031 is 13000202324.

It is not a de Polignac number, because 42320200031 - 2³⁰ = 41246458207 is a prime.

It is a super-2 number, since 2×42320200031² (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 = 42320199982 and 42320200009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42320200001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 464705 + ... + 548261.

It is an arithmetic number, because the mean of its divisors is an integer number (1973807076).

Almost surely, 2^42320200031 is an apocalyptic number.

42320200031 is a deficient number, since it is larger than the sum of its proper divisors (5051169793).

42320200031 is a wasteful number, since it uses less digits than its factorization.

42320200031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83679 (or 83660 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 42320200031 its reverse (13000202324), we get a palindrome (55320402355).

The spelling of 42320200031 in words is "forty-two billion, three hundred twenty million, two hundred thousand, thirty-one".