312234436 has 12 divisors (see below), whose sum is σ = 547259328. Its totient is φ = 155874632.

The previous prime is 312234421. The next prime is 312234437. The reversal of 312234436 is 634432213.

It is not an unprimeable number, because it can be changed into a prime (312234437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57736 + ... + 62911.

It is an arithmetic number, because the mean of its divisors is an integer number (45604944).

Almost surely, 2^312234436 is an apocalyptic number.

It is an amenable number.

312234436 is a deficient number, since it is larger than the sum of its proper divisors (235024892).

312234436 is a wasteful number, since it uses less digits than its factorization.

312234436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121298 (or 121296 counting only the distinct ones).

The product of its digits is 10368, while the sum is 28.

The square root of 312234436 is about 17670.1566489944. The cubic root of 312234436 is about 678.4121225779.

Adding to 312234436 its reverse (634432213), we get a palindrome (946666649).

The spelling of 312234436 in words is "three hundred twelve million, two hundred thirty-four thousand, four hundred thirty-six".