312133132 has 6 divisors (see below), whose sum is σ = 546232988. Its totient is φ = 156066564.

The previous prime is 312133109. The next prime is 312133139. The reversal of 312133132 is 231331213.

It is not an unprimeable number, because it can be changed into a prime (312133139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39016638 + ... + 39016645.

Almost surely, 2^312133132 is an apocalyptic number.

It is an amenable number.

312133132 is a deficient number, since it is larger than the sum of its proper divisors (234099856).

312133132 is a wasteful number, since it uses less digits than its factorization.

312133132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78033287 (or 78033285 counting only the distinct ones).

The product of its digits is 324, while the sum is 19.

The square root of 312133132 is about 17667.2898883785. The cubic root of 312133132 is about 678.3387447056.

Adding to 312133132 its reverse (231331213), we get a palindrome (543464345).

The spelling of 312133132 in words is "three hundred twelve million, one hundred thirty-three thousand, one hundred thirty-two".