231552015531304 has 96 divisors (see below), whose sum is σ = 474746703825600. Its totient is φ = 105821595909120.

The previous prime is 231552015531259. The next prime is 231552015531409. The reversal of 231552015531304 is 403135510255132.

231552015531304 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 156777027 + ... + 158247085.

It is an arithmetic number, because the mean of its divisors is an integer number (4945278164850).

Almost surely, 2^{231552015531304} 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 231552015531304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (237373351912800).

231552015531304 is an abundant number, since it is smaller than the sum of its proper divisors (243194688294296).

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

231552015531304 is a wasteful number, since it uses less digits than its factorization.

231552015531304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1471235 (or 1471218 counting only the distinct ones).

The product of its (nonzero) digits is 270000, while the sum is 40.

Adding to 231552015531304 its reverse (403135510255132), we get a palindrome (634687525786436).

The spelling of 231552015531304 in words is "two hundred thirty-one trillion, five hundred fifty-two billion, fifteen million, five hundred thirty-one thousand, three hundred four".