230312132 has 24 divisors (see below), whose sum is σ = 407352792. Its totient is φ = 113932800.

The previous prime is 230312123. The next prime is 230312191. The reversal of 230312132 is 231213032.

It can be written as a sum of positive squares in 4 ways, for example, as 105185536 + 125126596 = 10256^2 + 11186^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 230312132.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166082 + ... + 167462.

It is an arithmetic number, because the mean of its divisors is an integer number (16973033).

Almost surely, 2^230312132 is an apocalyptic number.

It is an amenable number.

230312132 is a deficient number, since it is larger than the sum of its proper divisors (177040660).

230312132 is a wasteful number, since it uses less digits than its factorization.

230312132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1799 (or 1797 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 230312132 is about 15176.0380864045. The cubic root of 230312132 is about 612.9696030459.

Adding to 230312132 its reverse (231213032), we get a palindrome (461525164).

The spelling of 230312132 in words is "two hundred thirty million, three hundred twelve thousand, one hundred thirty-two".