231144355600 has 240 divisors, whose sum is σ = 623143152000. Its totient is φ = 81878999040.

The previous prime is 231144355573. The next prime is 231144355643. The reversal of 231144355600 is 6553441132.

231144355600 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 (34).

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 47 ways as a sum of consecutive naturals, for example, 19244797 + ... + 19256803.

It is an arithmetic number, because the mean of its divisors is an integer number (2596429800).

Almost surely, 2^231144355600 is an apocalyptic number.

231144355600 is a gapful number since it is divisible by the number (20) 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 231144355600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (311571576000).

231144355600 is an abundant number, since it is smaller than the sum of its proper divisors (391998796400).

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

231144355600 is a wasteful number, since it uses less digits than its factorization.

231144355600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12210 (or 12199 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 34.

Adding to 231144355600 its reverse (6553441132), we get a palindrome (237697796732).

The spelling of 231144355600 in words is "two hundred thirty-one billion, one hundred forty-four million, three hundred fifty-five thousand, six hundred".