42315231100 has 144 divisors (see below), whose sum is σ = 97060975200. Its totient is φ = 15989944320.

The previous prime is 42315231083. The next prime is 42315231107. The reversal of 42315231100 is 113251324.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42315231107) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 29002171 + ... + 29003629.

It is an arithmetic number, because the mean of its divisors is an integer number (674034550).

Almost surely, 2^42315231100 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42315231100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48530487600).

42315231100 is an abundant number, since it is smaller than the sum of its proper divisors (54745744100).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42315231100 is a wasteful number, since it uses less digits than its factorization.

42315231100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1712 (or 1705 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 42315231100 its reverse (113251324), we get a palindrome (42428482424).

The spelling of 42315231100 in words is "forty-two billion, three hundred fifteen million, two hundred thirty-one thousand, one hundred".