312020032 has 28 divisors (see below), whose sum is σ = 622765836. Its totient is φ = 155102720.

The previous prime is 312020029. The next prime is 312020041. The reversal of 312020032 is 230020213.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 284394496 + 27625536 = 16864^2 + 5256^2 .

It is a junction number, because it is equal to n+sod(n) for n = 312019994 and 312020021.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3019 + ... + 25162.

It is an arithmetic number, because the mean of its divisors is an integer number (22241637).

Almost surely, 2^312020032 is an apocalyptic number.

312020032 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

312020032 is a deficient number, since it is larger than the sum of its proper divisors (310745804).

312020032 is a wasteful number, since it uses less digits than its factorization.

312020032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28366 (or 28356 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 312020032 is about 17664.0887678929. The cubic root of 312020032 is about 678.2568038366.

Adding to 312020032 its reverse (230020213), we get a palindrome (542040245).

The spelling of 312020032 in words is "three hundred twelve million, twenty thousand, thirty-two".