242307071 has 2 divisors, whose sum is σ = 242307072. Its totient is φ = 242307070.

The previous prime is 242307059. The next prime is 242307073. The reversal of 242307071 is 170703242.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242307071 is a prime.

Together with 242307073, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 242307071.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242307073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121153535 + 121153536.

It is an arithmetic number, because the mean of its divisors is an integer number (121153536).

Almost surely, 2^242307071 is an apocalyptic number.

242307071 is a deficient number, since it is larger than the sum of its proper divisors (1).

242307071 is an equidigital number, since it uses as much as digits as its factorization.

242307071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 242307071 is about 15566.2156929679. The cubic root of 242307071 is about 623.4314339073.

The spelling of 242307071 in words is "two hundred forty-two million, three hundred seven thousand, seventy-one".