542307331 has 2 divisors, whose sum is σ = 542307332. Its totient is φ = 542307330.

The previous prime is 542307323. The next prime is 542307383. The reversal of 542307331 is 133703245.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 542307331 - 2³ = 542307323 is a prime.

It is a super-2 number, since 2×542307331² = 588194482512687122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 542307331.

It is not a weakly prime, because it can be changed into another prime (542307391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271153665 + 271153666.

It is an arithmetic number, because the mean of its divisors is an integer number (271153666).

Almost surely, 2^542307331 is an apocalyptic number.

542307331 is a deficient number, since it is larger than the sum of its proper divisors (1).

542307331 is an equidigital number, since it uses as much as digits as its factorization.

542307331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 28.

The square root of 542307331 is about 23287.4930166388. The cubic root of 542307331 is about 815.4834628836.

The spelling of 542307331 in words is "five hundred forty-two million, three hundred seven thousand, three hundred thirty-one".