231242011 has 24 divisors (see below), whose sum is σ = 312845792. Its totient is φ = 166320000.

The previous prime is 231241993. The next prime is 231242029. The reversal of 231242011 is 110242132.

It is an interprime number because it is at equal distance from previous prime (231241993) and next prime (231242029).

It is not a de Polignac number, because 231242011 - 2⁹ = 231241499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (231242111) 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, 511 + ... + 21511.

Almost surely, 2^231242011 is an apocalyptic number.

231242011 is a deficient number, since it is larger than the sum of its proper divisors (81603781).

231242011 is a wasteful number, since it uses less digits than its factorization.

231242011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21043 (or 21032 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 231242011 is about 15206.6436467749. The cubic root of 231242011 is about 613.7934446870.

Adding to 231242011 its reverse (110242132), we get a palindrome (341484143).

It can be divided in two parts, 231 and 242011, that added together give a palindrome (242242).

The spelling of 231242011 in words is "two hundred thirty-one million, two hundred forty-two thousand, eleven".