542042240231 has 2 divisors, whose sum is σ = 542042240232. Its totient is φ = 542042240230.

The previous prime is 542042240219. The next prime is 542042240251. The reversal of 542042240231 is 132042240245.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 542042240231 - 2³⁰ = 540968498407 is a prime.

It is a super-2 number, since 2×542042240231² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 542042240194 and 542042240203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (542042240251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271021120115 + 271021120116.

It is an arithmetic number, because the mean of its divisors is an integer number (271021120116).

Almost surely, 2^542042240231 is an apocalyptic number.

542042240231 is a deficient number, since it is larger than the sum of its proper divisors (1).

542042240231 is an equidigital number, since it uses as much as digits as its factorization.

542042240231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15360, while the sum is 29.

Adding to 542042240231 its reverse (132042240245), we get a palindrome (674084480476).

The spelling of 542042240231 in words is "five hundred forty-two billion, forty-two million, two hundred forty thousand, two hundred thirty-one".