312013132 has 12 divisors (see below), whose sum is σ = 546666120. Its totient is φ = 155822816.

The previous prime is 312013103. The next prime is 312013159. The reversal of 312013132 is 231310213.

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 3 ways as a sum of consecutive naturals, for example, 42082 + ... + 48937.

It is an arithmetic number, because the mean of its divisors is an integer number (45555510).

Almost surely, 2^312013132 is an apocalyptic number.

It is an amenable number.

312013132 is a deficient number, since it is larger than the sum of its proper divisors (234652988).

312013132 is a wasteful number, since it uses less digits than its factorization.

312013132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91880 (or 91878 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 312013132 is about 17663.8934552946. The cubic root of 312013132 is about 678.2518041507.

Adding to 312013132 its reverse (231310213), we get a palindrome (543323345).

The spelling of 312013132 in words is "three hundred twelve million, thirteen thousand, one hundred thirty-two".