231442550 has 12 divisors (see below), whose sum is σ = 430483236. Its totient is φ = 92577000.

The previous prime is 231442543. The next prime is 231442571. The reversal of 231442550 is 55244132.

It is a happy number.

It is a nialpdrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2314376 + ... + 2314475.

It is an arithmetic number, because the mean of its divisors is an integer number (35873603).

Almost surely, 2^231442550 is an apocalyptic number.

231442550 is a deficient number, since it is larger than the sum of its proper divisors (199040686).

231442550 is a wasteful number, since it uses less digits than its factorization.

231442550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4628863 (or 4628858 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 231442550 is about 15213.2360134194. The cubic root of 231442550 is about 613.9708258905.

Adding to 231442550 its reverse (55244132), we get a palindrome (286686682).

The spelling of 231442550 in words is "two hundred thirty-one million, four hundred forty-two thousand, five hundred fifty".