231330030144 has 56 divisors (see below), whose sum is σ = 648064284768. Its totient is φ = 72574126080.

The previous prime is 231330030133. The next prime is 231330030199. The reversal of 231330030144 is 441030033132.

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35433322 + ... + 35439849.

Almost surely, 2^231330030144 is an apocalyptic number.

231330030144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

231330030144 is an abundant number, since it is smaller than the sum of its proper divisors (416734254624).

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

231330030144 is a wasteful number, since it uses less digits than its factorization.

231330030144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70873203 (or 70873193 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 231330030144 its reverse (441030033132), we get a palindrome (672360063276).

The spelling of 231330030144 in words is "two hundred thirty-one billion, three hundred thirty million, thirty thousand, one hundred forty-four".