231544341072 has 300 divisors, whose sum is σ = 764272791744. Its totient is φ = 67112115840.

The previous prime is 231544341053. The next prime is 231544341139. The reversal of 231544341072 is 270143445132.

231544341072 is a `hidden beast` number, since 2 + 3 + 1 + 544 + 3 + 4 + 107 + 2 = 666.

It is a super-2 number, since 2×231544341072² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 7526073 + ... + 7556775.

Almost surely, 2^231544341072 is an apocalyptic number.

231544341072 is a gapful number since it is divisible by the number (22) 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 231544341072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (382136395872).

231544341072 is an abundant number, since it is smaller than the sum of its proper divisors (532728450672).

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

231544341072 is a wasteful number, since it uses less digits than its factorization.

231544341072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30780 (or 30742 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

The spelling of 231544341072 in words is "two hundred thirty-one billion, five hundred forty-four million, three hundred forty-one thousand, seventy-two".