242002131 has 24 divisors (see below), whose sum is σ = 384514704. Its totient is φ = 134910720.

The previous prime is 242002087. The next prime is 242002141. The reversal of 242002131 is 131200242.

It is not a de Polignac number, because 242002131 - 2⁷ = 242002003 is a prime.

It is a super-2 number, since 2×242002131² = 117130062817082322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 242002131.

It is not an unprimeable number, because it can be changed into a prime (242002141) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14050 + ... + 26103.

It is an arithmetic number, because the mean of its divisors is an integer number (16021446).

Almost surely, 2^242002131 is an apocalyptic number.

242002131 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

242002131 is a deficient number, since it is larger than the sum of its proper divisors (142512573).

242002131 is a wasteful number, since it uses less digits than its factorization.

242002131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40211 (or 40204 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 242002131 is about 15556.4176788874. The cubic root of 242002131 is about 623.1697975927.

Adding to 242002131 its reverse (131200242), we get a palindrome (373202373).

The spelling of 242002131 in words is "two hundred forty-two million, two thousand, one hundred thirty-one".