312020132 has 12 divisors (see below), whose sum is σ = 551139120. Its totient is φ = 154551816.

The previous prime is 312020119. The next prime is 312020141. The reversal of 312020132 is 231020213.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 364082 + ... + 364937.

It is an arithmetic number, because the mean of its divisors is an integer number (45928260).

Almost surely, 2^312020132 is an apocalyptic number.

It is an amenable number.

312020132 is a deficient number, since it is larger than the sum of its proper divisors (239118988).

312020132 is a wasteful number, since it uses less digits than its factorization.

312020132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729130 (or 729128 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 312020132 is about 17664.0915984944. The cubic root of 312020132 is about 678.2568762952.

Adding to 312020132 its reverse (231020213), we get a palindrome (543040345).

The spelling of 312020132 in words is "three hundred twelve million, twenty thousand, one hundred thirty-two".