500131242 has 48 divisors (see below), whose sum is σ = 1183448448. Its totient is φ = 151714080.

The previous prime is 500131223. The next prime is 500131271. The reversal of 500131242 is 242131005.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1563 + ... + 31665.

It is an arithmetic number, because the mean of its divisors is an integer number (24655176).

Almost surely, 2^500131242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 500131242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (591724224).

500131242 is an abundant number, since it is smaller than the sum of its proper divisors (683317206).

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

500131242 is a wasteful number, since it uses less digits than its factorization.

500131242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30195 (or 30192 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 500131242 is about 22363.6142427829. The cubic root of 500131242 is about 793.7699644719.

Adding to 500131242 its reverse (242131005), we get a palindrome (742262247).

The spelling of 500131242 in words is "five hundred million, one hundred thirty-one thousand, two hundred forty-two".