312032230 has 8 divisors (see below), whose sum is σ = 561658032. Its totient is φ = 124812888.

The previous prime is 312032207. The next prime is 312032243. The reversal of 312032230 is 32230213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×312032230² = 194728225117545800, which contains 22 as substring.

It is a congruent number.

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, 15601602 + ... + 15601621.

It is an arithmetic number, because the mean of its divisors is an integer number (70207254).

Almost surely, 2^312032230 is an apocalyptic number.

312032230 is a deficient number, since it is larger than the sum of its proper divisors (249625802).

312032230 is a wasteful number, since it uses less digits than its factorization.

312032230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31203230.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 312032230 is about 17664.4340413159. The cubic root of 312032230 is about 678.2656422313.

Adding to 312032230 its reverse (32230213), we get a palindrome (344262443).

It can be divided in two parts, 31203 and 2230, that added together give a palindrome (33433).

The spelling of 312032230 in words is "three hundred twelve million, thirty-two thousand, two hundred thirty".