231110232144 has 160 divisors (see below), whose sum is σ = 654614673408. Its totient is φ = 69679104000.

The previous prime is 231110232139. The next prime is 231110232187. The reversal of 231110232144 is 441232011132.

231110232144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 112025257 + ... + 112027319.

Almost surely, 2^231110232144 is an apocalyptic number.

231110232144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231110232144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (327307336704).

231110232144 is an abundant number, since it is smaller than the sum of its proper divisors (423504441264).

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

231110232144 is a wasteful number, since it uses less digits than its factorization.

231110232144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3057 (or 3051 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 231110232144 its reverse (441232011132), we get a palindrome (672342243276).

The spelling of 231110232144 in words is "two hundred thirty-one billion, one hundred ten million, two hundred thirty-two thousand, one hundred forty-four".