231242240111 has 8 divisors (see below), whose sum is σ = 231537406848. Its totient is φ = 230947200000.

The previous prime is 231242240081. The next prime is 231242240137. The reversal of 231242240111 is 111042242132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 231242240111 - 2¹⁴ = 231242223727 is a prime.

It is a super-2 number, since 2×231242240111² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231242240171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3935831 + ... + 3994151.

It is an arithmetic number, because the mean of its divisors is an integer number (28942175856).

Almost surely, 2^231242240111 is an apocalyptic number.

231242240111 is a deficient number, since it is larger than the sum of its proper divisors (295166737).

231242240111 is an equidigital number, since it uses as much as digits as its factorization.

231242240111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63313.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 231242240111 its reverse (111042242132), we get a palindrome (342284482243).

The spelling of 231242240111 in words is "two hundred thirty-one billion, two hundred forty-two million, two hundred forty thousand, one hundred eleven".