242286631 has 2 divisors, whose sum is σ = 242286632. Its totient is φ = 242286630.

The previous prime is 242286599. The next prime is 242286641. The reversal of 242286631 is 136682242.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 242286631 - 2⁵ = 242286599 is a prime.

It is a super-2 number, since 2×242286631² = 117405623122660322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242286641) 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, 121143315 + 121143316.

It is an arithmetic number, because the mean of its divisors is an integer number (121143316).

Almost surely, 2^242286631 is an apocalyptic number.

242286631 is a deficient number, since it is larger than the sum of its proper divisors (1).

242286631 is an equidigital number, since it uses as much as digits as its factorization.

242286631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27648, while the sum is 34.

The square root of 242286631 is about 15565.5591290515. The cubic root of 242286631 is about 623.4139034011.

The spelling of 242286631 in words is "two hundred forty-two million, two hundred eighty-six thousand, six hundred thirty-one".