312244430 has 16 divisors (see below), whose sum is σ = 565491024. Its totient is φ = 124130880.

The previous prime is 312244417. The next prime is 312244441. The reversal of 312244430 is 34442213.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 312244396 and 312244405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94151 + ... + 97410.

It is an arithmetic number, because the mean of its divisors is an integer number (35343189).

Almost surely, 2^312244430 is an apocalyptic number.

312244430 is a deficient number, since it is larger than the sum of its proper divisors (253246594).

312244430 is a wasteful number, since it uses less digits than its factorization.

312244430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191731.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 312244430 is about 17670.4394399234. The cubic root of 312244430 is about 678.4193607058.

Adding to 312244430 its reverse (34442213), we get a palindrome (346686643).

The spelling of 312244430 in words is "three hundred twelve million, two hundred forty-four thousand, four hundred thirty".