312042236 has 24 divisors (see below), whose sum is σ = 596673840. Its totient is φ = 141609600.

The previous prime is 312042229. The next prime is 312042251. The reversal of 312042236 is 632240213.

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, 23720 + ... + 34448.

It is an arithmetic number, because the mean of its divisors is an integer number (24861410).

Almost surely, 2^312042236 is an apocalyptic number.

It is an amenable number.

312042236 is a deficient number, since it is larger than the sum of its proper divisors (284631604).

312042236 is a wasteful number, since it uses less digits than its factorization.

312042236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11405 (or 11403 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 312042236 is about 17664.7172635171. The cubic root of 312042236 is about 678.2728921806.

Adding to 312042236 its reverse (632240213), we get a palindrome (944282449).

The spelling of 312042236 in words is "three hundred twelve million, forty-two thousand, two hundred thirty-six".