231367242 has 16 divisors (see below), whose sum is σ = 465134400. Its totient is φ = 76722432.

The previous prime is 231367193. The next prime is 231367247. The reversal of 231367242 is 242763132.

It is not an unprimeable number, because it can be changed into a prime (231367247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98742 + ... + 101057.

It is an arithmetic number, because the mean of its divisors is an integer number (29070900).

Almost surely, 2^231367242 is an apocalyptic number.

231367242 is an abundant number, since it is smaller than the sum of its proper divisors (233767158).

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

231367242 is a wasteful number, since it uses less digits than its factorization.

231367242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199997.

The product of its digits is 12096, while the sum is 30.

The square root of 231367242 is about 15210.7607304829. The cubic root of 231367242 is about 613.9042263092.

The spelling of 231367242 in words is "two hundred thirty-one million, three hundred sixty-seven thousand, two hundred forty-two".