542323131242 has 16 divisors (see below), whose sum is σ = 814886028000. Its totient is φ = 270694695120.

The previous prime is 542323131191. The next prime is 542323131289. The reversal of 542323131242 is 242131323245.

It is a super-2 number, since 2×542323131242² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 542323131199 and 542323131208.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4620017 + ... + 4735947.

It is an arithmetic number, because the mean of its divisors is an integer number (50930376750).

Almost surely, 2^542323131242 is an apocalyptic number.

542323131242 is a deficient number, since it is larger than the sum of its proper divisors (272562896758).

542323131242 is a wasteful number, since it uses less digits than its factorization.

542323131242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119941.

The product of its digits is 34560, while the sum is 32.

Adding to 542323131242 its reverse (242131323245), we get a palindrome (784454454487).

The spelling of 542323131242 in words is "five hundred forty-two billion, three hundred twenty-three million, one hundred thirty-one thousand, two hundred forty-two".