242152012051531 has 2 divisors, whose sum is σ = 242152012051532. Its totient is φ = 242152012051530.

The previous prime is 242152012051463. The next prime is 242152012051603. The reversal of 242152012051531 is 135150210251242.

242152012051531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 242152012051531 - 2⁴⁷ = 101414523696203 is a prime.

It is a super-2 number, since 2×242152012051531² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (242152012051331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121076006025765 + 121076006025766.

It is an arithmetic number, because the mean of its divisors is an integer number (121076006025766).

Almost surely, 2^{242152012051531} is an apocalyptic number.

242152012051531 is a deficient number, since it is larger than the sum of its proper divisors (1).

242152012051531 is an equidigital number, since it uses as much as digits as its factorization.

242152012051531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24000, while the sum is 34.

The spelling of 242152012051531 in words is "two hundred forty-two trillion, one hundred fifty-two billion, twelve million, fifty-one thousand, five hundred thirty-one".