231550432513152 has 64 divisors (see below), whose sum is σ = 621027252356160. Its totient is φ = 76434123340800.

The previous prime is 231550432513133. The next prime is 231550432513237. The reversal of 231550432513152 is 251315234055132.

It is a tau number, because it is divible by the number of its divisors (64).

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, 2927125099 + ... + 2927204202.

It is an arithmetic number, because the mean of its divisors is an integer number (9703550818065).

Almost surely, 2^{231550432513152} is an apocalyptic number.

It is an amenable number.

231550432513152 is an abundant number, since it is smaller than the sum of its proper divisors (389476819843008).

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

231550432513152 is a wasteful number, since it uses less digits than its factorization.

231550432513152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5854329421 (or 5854329409 counting only the distinct ones).

The product of its (nonzero) digits is 540000, while the sum is 42.

Adding to 231550432513152 its reverse (251315234055132), we get a palindrome (482865666568284).

The spelling of 231550432513152 in words is "two hundred thirty-one trillion, five hundred fifty billion, four hundred thirty-two million, five hundred thirteen thousand, one hundred fifty-two".