242231134033487 has 2 divisors, whose sum is σ = 242231134033488. Its totient is φ = 242231134033486.

The previous prime is 242231134033393. The next prime is 242231134033489. The reversal of 242231134033487 is 784330431132242.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 242231134033487 - 2⁴⁶ = 171862389855823 is a prime.

Together with 242231134033489, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242231134033489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121115567016743 + 121115567016744.

It is an arithmetic number, because the mean of its divisors is an integer number (121115567016744).

Almost surely, 2^{242231134033487} is an apocalyptic number.

242231134033487 is a deficient number, since it is larger than the sum of its proper divisors (1).

242231134033487 is an equidigital number, since it uses as much as digits as its factorization.

242231134033487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2322432, while the sum is 47.

The spelling of 242231134033487 in words is "two hundred forty-two trillion, two hundred thirty-one billion, one hundred thirty-four million, thirty-three thousand, four hundred eighty-seven".