231500652 has 24 divisors (see below), whose sum is σ = 547008000. Its totient is φ = 76189776.

The previous prime is 231500641. The next prime is 231500657. The reversal of 231500652 is 256005132.

It is not an unprimeable number, because it can be changed into a prime (231500657) 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, 121152 + ... + 123047.

It is an arithmetic number, because the mean of its divisors is an integer number (22792000).

Almost surely, 2^231500652 is an apocalyptic number.

It is an amenable number.

231500652 is an abundant number, since it is smaller than the sum of its proper divisors (315507348).

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

231500652 is a wasteful number, since it uses less digits than its factorization.

231500652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244285 (or 244283 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 231500652 is about 15215.1454807373. The cubic root of 231500652 is about 614.0221992561.

Adding to 231500652 its reverse (256005132), we get a palindrome (487505784).

The spelling of 231500652 in words is "two hundred thirty-one million, five hundred thousand, six hundred fifty-two".