230311212 has 12 divisors (see below), whose sum is σ = 537392856. Its totient is φ = 76770400.

The previous prime is 230311201. The next prime is 230311229. The reversal of 230311212 is 212113032.

230311212 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 (12).

It is a junction number, because it is equal to n+sod(n) for n = 230311191 and 230311200.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9596289 + ... + 9596312.

It is an arithmetic number, because the mean of its divisors is an integer number (44782738).

Almost surely, 2^230311212 is an apocalyptic number.

It is an amenable number.

230311212 is an abundant number, since it is smaller than the sum of its proper divisors (307081644).

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

230311212 is a wasteful number, since it uses less digits than its factorization.

230311212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19192608 (or 19192606 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 230311212 is about 15176.0077754329. The cubic root of 230311212 is about 612.9687868596.

Adding to 230311212 its reverse (212113032), we get a palindrome (442424244).

The spelling of 230311212 in words is "two hundred thirty million, three hundred eleven thousand, two hundred twelve".