542231112 has 32 divisors (see below), whose sum is σ = 1363078080. Its totient is φ = 179743680.

The previous prime is 542231089. The next prime is 542231117. The reversal of 542231112 is 211132245.

It is not an unprimeable number, because it can be changed into a prime (542231117) 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, 58068 + ... + 66755.

It is an arithmetic number, because the mean of its divisors is an integer number (42596190).

Almost surely, 2^542231112 is an apocalyptic number.

It is an amenable number.

542231112 is an abundant number, since it is smaller than the sum of its proper divisors (820846968).

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

542231112 is a wasteful number, since it uses less digits than its factorization.

542231112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125013 (or 125009 counting only the distinct ones).

The product of its digits is 480, while the sum is 21.

The square root of 542231112 is about 23285.8564798463. The cubic root of 542231112 is about 815.4452568440.

Adding to 542231112 its reverse (211132245), we get a palindrome (753363357).

The spelling of 542231112 in words is "five hundred forty-two million, two hundred thirty-one thousand, one hundred twelve".