242103131 has 2 divisors, whose sum is σ = 242103132. Its totient is φ = 242103130.

The previous prime is 242103119. The next prime is 242103143. The reversal of 242103131 is 131301242.

It is a balanced prime because it is at equal distance from previous prime (242103119) and next prime (242103143).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242103131 is a prime.

It is a super-2 number, since 2×242103131² = 117227852080006322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (242103101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121051565 + 121051566.

It is an arithmetic number, because the mean of its divisors is an integer number (121051566).

Almost surely, 2^242103131 is an apocalyptic number.

242103131 is a deficient number, since it is larger than the sum of its proper divisors (1).

242103131 is an equidigital number, since it uses as much as digits as its factorization.

242103131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 242103131 is about 15559.6635889083. The cubic root of 242103131 is about 623.2564791924.

Adding to 242103131 its reverse (131301242), we get a palindrome (373404373).

The spelling of 242103131 in words is "two hundred forty-two million, one hundred three thousand, one hundred thirty-one".