242104231 has 2 divisors, whose sum is σ = 242104232. Its totient is φ = 242104230.

The previous prime is 242104217. The next prime is 242104237. The reversal of 242104231 is 132401242.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 242104231 - 2⁷ = 242104103 is a prime.

It is a super-2 number, since 2×242104231² = 117228917336202722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 242104199 and 242104208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242104237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121052115 + 121052116.

It is an arithmetic number, because the mean of its divisors is an integer number (121052116).

Almost surely, 2^242104231 is an apocalyptic number.

242104231 is a deficient number, since it is larger than the sum of its proper divisors (1).

242104231 is an equidigital number, since it uses as much as digits as its factorization.

242104231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 242104231 is about 15559.6989366761. The cubic root of 242104231 is about 623.2574231167.

Adding to 242104231 its reverse (132401242), we get a palindrome (374505473).

It can be divided in two parts, 24210 and 4231, that added together give a triangular number (28441 = T₂₃₈).

The spelling of 242104231 in words is "two hundred forty-two million, one hundred four thousand, two hundred thirty-one".