542011231 has 8 divisors (see below), whose sum is σ = 560019744. Its totient is φ = 524291040.

The previous prime is 542011213. The next prime is 542011237. The reversal of 542011231 is 132110245.

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 542011231 - 2⁹ = 542010719 is a prime.

It is a super-2 number, since 2×542011231² = 587552349060270722, 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 = 542011199 and 542011208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542011237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68256 + ... + 75781.

It is an arithmetic number, because the mean of its divisors is an integer number (70002468).

Almost surely, 2^542011231 is an apocalyptic number.

542011231 is a deficient number, since it is larger than the sum of its proper divisors (18008513).

542011231 is a wasteful number, since it uses less digits than its factorization.

542011231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144161.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 542011231 is about 23281.1346587747. The cubic root of 542011231 is about 815.3350177742.

Adding to 542011231 its reverse (132110245), we get a palindrome (674121476).

The spelling of 542011231 in words is "five hundred forty-two million, eleven thousand, two hundred thirty-one".