231544304264 has 256 divisors, whose sum is σ = 579635481600. Its totient is φ = 84123648000.

The previous prime is 231544304227. The next prime is 231544304267. The reversal of 231544304264 is 462403445132.

231544304264 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×231544304264² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (231544304267) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 88746992 + ... + 88749600.

It is an arithmetic number, because the mean of its divisors is an integer number (2264201100).

Almost surely, 2^231544304264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231544304264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (289817740800).

231544304264 is an abundant number, since it is smaller than the sum of its proper divisors (348091177336).

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

231544304264 is a wasteful number, since it uses less digits than its factorization.

231544304264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2824 (or 2820 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 38.

Adding to 231544304264 its reverse (462403445132), we get a palindrome (693947749396).

The spelling of 231544304264 in words is "two hundred thirty-one billion, five hundred forty-four million, three hundred four thousand, two hundred sixty-four".