542216131 has 8 divisors (see below), whose sum is σ = 545104224. Its totient is φ = 539335680.

The previous prime is 542216107. The next prime is 542216141. The reversal of 542216131 is 131612245.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 542216131 - 2¹¹ = 542214083 is a prime.

It is a super-2 number, since 2×542216131² = 587996665433218322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 542216096 and 542216105.

It is not an unprimeable number, because it can be changed into a prime (542216141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186370 + ... + 189256.

It is an arithmetic number, because the mean of its divisors is an integer number (68138028).

Almost surely, 2^542216131 is an apocalyptic number.

542216131 is a deficient number, since it is larger than the sum of its proper divisors (2888093).

542216131 is a wasteful number, since it uses less digits than its factorization.

542216131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3821.

The product of its digits is 1440, while the sum is 25.

The square root of 542216131 is about 23285.5348016746. The cubic root of 542216131 is about 815.4377469479.

Adding to 542216131 its reverse (131612245), we get a palindrome (673828376).

The spelling of 542216131 in words is "five hundred forty-two million, two hundred sixteen thousand, one hundred thirty-one".