231435552 has 48 divisors (see below), whose sum is σ = 643259232. Its totient is φ = 72606720.

The previous prime is 231435551. The next prime is 231435557. The reversal of 231435552 is 255534132.

231435552 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (231435551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69274 + ... + 72537.

It is an arithmetic number, because the mean of its divisors is an integer number (13401234).

Almost surely, 2^231435552 is an apocalyptic number.

It is an amenable number.

231435552 is an abundant number, since it is smaller than the sum of its proper divisors (411823680).

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

231435552 is a wasteful number, since it uses less digits than its factorization.

231435552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141841 (or 141833 counting only the distinct ones).

The product of its digits is 18000, while the sum is 30.

The square root of 231435552 is about 15213.0060145916. The cubic root of 231435552 is about 613.9646377297.

Adding to 231435552 its reverse (255534132), we get a palindrome (486969684).

It can be divided in two parts, 231435 and 552, that multiplied together give a triangular number (127752120 = T₁₅₉₈₄).

The spelling of 231435552 in words is "two hundred thirty-one million, four hundred thirty-five thousand, five hundred fifty-two".