242203131 has 12 divisors (see below), whose sum is σ = 370428552. Its totient is φ = 151970496.

The previous prime is 242203121. The next prime is 242203153. The reversal of 242203131 is 131302242.

It is not a de Polignac number, because 242203131 - 2¹⁸ = 241940987 is a prime.

It is a super-2 number, since 2×242203131² = 117324713332406322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (242203111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 791361 + ... + 791666.

It is an arithmetic number, because the mean of its divisors is an integer number (30869046).

Almost surely, 2^242203131 is an apocalyptic number.

242203131 is a deficient number, since it is larger than the sum of its proper divisors (128225421).

242203131 is a wasteful number, since it uses less digits than its factorization.

242203131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1583050 (or 1583047 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 242203131 is about 15562.8766942362. The cubic root of 242203131 is about 623.3422788107.

Adding to 242203131 its reverse (131302242), we get a palindrome (373505373).

The spelling of 242203131 in words is "two hundred forty-two million, two hundred three thousand, one hundred thirty-one".