231430552 has 16 divisors (see below), whose sum is σ = 437056200. Its totient is φ = 114882240.

The previous prime is 231430547. The next prime is 231430559. The reversal of 231430552 is 255034132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231430559) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102949 + ... + 105172.

Almost surely, 2^231430552 is an apocalyptic number.

It is an amenable number.

231430552 is a deficient number, since it is larger than the sum of its proper divisors (205625648).

231430552 is a wasteful number, since it uses less digits than its factorization.

231430552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208266 (or 208262 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 231430552 is about 15212.8416806328. The cubic root of 231430552 is about 613.9602162752.

Adding to 231430552 its reverse (255034132), we get a palindrome (486464684).

The spelling of 231430552 in words is "two hundred thirty-one million, four hundred thirty thousand, five hundred fifty-two".