542336731 has 2 divisors, whose sum is σ = 542336732. Its totient is φ = 542336730.

The previous prime is 542336699. The next prime is 542336747. The reversal of 542336731 is 137633245.

542336731 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 542336731 - 2⁵ = 542336699 is a prime.

It is a super-2 number, since 2×542336731² = 588258259583532722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (542336761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271168365 + 271168366.

It is an arithmetic number, because the mean of its divisors is an integer number (271168366).

Almost surely, 2^542336731 is an apocalyptic number.

542336731 is a deficient number, since it is larger than the sum of its proper divisors (1).

542336731 is an equidigital number, since it uses as much as digits as its factorization.

542336731 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45360, while the sum is 34.

The square root of 542336731 is about 23288.1242482086. The cubic root of 542336731 is about 815.4981991652.

Adding to 542336731 its reverse (137633245), we get a palindrome (679969976).

The spelling of 542336731 in words is "five hundred forty-two million, three hundred thirty-six thousand, seven hundred thirty-one".