312043732 has 48 divisors (see below), whose sum is σ = 733203072. Its totient is φ = 112222080.

The previous prime is 312043717. The next prime is 312043747. The reversal of 312043732 is 237340213.

It is an interprime number because it is at equal distance from previous prime (312043717) and next prime (312043747).

It is a junction number, because it is equal to n+sod(n) for n = 312043697 and 312043706.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34963 + ... + 42970.

It is an arithmetic number, because the mean of its divisors is an integer number (15275064).

Almost surely, 2^312043732 is an apocalyptic number.

It is an amenable number.

312043732 is an abundant number, since it is smaller than the sum of its proper divisors (421159340).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

312043732 is a wasteful number, since it uses less digits than its factorization.

312043732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77968 (or 77966 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 25.

The square root of 312043732 is about 17664.7596077614. The cubic root of 312043732 is about 678.2739761093.

Adding to 312043732 its reverse (237340213), we get a palindrome (549383945).

The spelling of 312043732 in words is "three hundred twelve million, forty-three thousand, seven hundred thirty-two".