230311213 has 16 divisors (see below), whose sum is σ = 262947456. Its totient is φ = 199679040.

The previous prime is 230311201. The next prime is 230311229. The reversal of 230311213 is 312113032.

It is not a de Polignac number, because 230311213 - 2⁵ = 230311181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230311283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99295 + ... + 101587.

It is an arithmetic number, because the mean of its divisors is an integer number (16434216).

Almost surely, 2^230311213 is an apocalyptic number.

230311213 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

230311213 is a deficient number, since it is larger than the sum of its proper divisors (32636243).

230311213 is a wasteful number, since it uses less digits than its factorization.

230311213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2724.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 230311213 is about 15176.0078083796. The cubic root of 230311213 is about 612.9687877468.

Adding to 230311213 its reverse (312113032), we get a palindrome (542424245).

The spelling of 230311213 in words is "two hundred thirty million, three hundred eleven thousand, two hundred thirteen".