542302815871231 has 2 divisors, whose sum is σ = 542302815871232. Its totient is φ = 542302815871230.

The previous prime is 542302815871217. The next prime is 542302815871247. The reversal of 542302815871231 is 132178518203245.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 542302815871231 - 2⁹ = 542302815870719 is a prime.

It is a super-2 number, since 2×542302815871231² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (542302815871631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271151407935615 + 271151407935616.

It is an arithmetic number, because the mean of its divisors is an integer number (271151407935616).

Almost surely, 2^{542302815871231} is an apocalyptic number.

542302815871231 is a deficient number, since it is larger than the sum of its proper divisors (1).

542302815871231 is an equidigital number, since it uses as much as digits as its factorization.

542302815871231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3225600, while the sum is 52.

The spelling of 542302815871231 in words is "five hundred forty-two trillion, three hundred two billion, eight hundred fifteen million, eight hundred seventy-one thousand, two hundred thirty-one".