312032532 has 24 divisors (see below), whose sum is σ = 832086976. Its totient is φ = 89152128.

The previous prime is 312032477. The next prime is 312032537. The reversal of 312032532 is 235230213.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 312032499 and 312032508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312032537) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1857253 + ... + 1857420.

Almost surely, 2^312032532 is an apocalyptic number.

It is an amenable number.

312032532 is an abundant number, since it is smaller than the sum of its proper divisors (520054444).

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

312032532 is a wasteful number, since it uses less digits than its factorization.

312032532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3714687 (or 3714685 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 312032532 is about 17664.4425895639. The cubic root of 312032532 is about 678.2658610508.

Adding to 312032532 its reverse (235230213), we get a palindrome (547262745).

The spelling of 312032532 in words is "three hundred twelve million, thirty-two thousand, five hundred thirty-two".