236431242 has 24 divisors (see below), whose sum is σ = 520667940. Its totient is φ = 77518080.

The previous prime is 236431213. The next prime is 236431249. The reversal of 236431242 is 242134632.

236431242 is a `hidden beast` number, since 2 + 3 + 643 + 12 + 4 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 231983361 + 4447881 = 15231^2 + 2109^2 .

It is not an unprimeable number, because it can be changed into a prime (236431249) 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, 106567 + ... + 108762.

Almost surely, 2^236431242 is an apocalyptic number.

236431242 is an abundant number, since it is smaller than the sum of its proper divisors (284236698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

236431242 is a wasteful number, since it uses less digits than its factorization.

236431242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215398 (or 215395 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

The square root of 236431242 is about 15376.3208213148. The cubic root of 236431242 is about 618.3508392170.

Adding to 236431242 its reverse (242134632), we get a palindrome (478565874).

It can be divided in two parts, 23643124 and 2, that added together give a triangular number (23643126 = T₆₈₇₆).

The spelling of 236431242 in words is "two hundred thirty-six million, four hundred thirty-one thousand, two hundred forty-two".