312002132 has 12 divisors (see below), whose sum is σ = 588004116. Its totient is φ = 144000960.

The previous prime is 312002111. The next prime is 312002137. The reversal of 312002132 is 231200213.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 169104016 + 142898116 = 13004^2 + 11954^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312002137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2999969 + ... + 3000072.

It is an arithmetic number, because the mean of its divisors is an integer number (49000343).

Almost surely, 2^312002132 is an apocalyptic number.

It is an amenable number.

312002132 is a deficient number, since it is larger than the sum of its proper divisors (276001984).

312002132 is a wasteful number, since it uses less digits than its factorization.

312002132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6000058 (or 6000056 counting only the distinct ones).

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

The square root of 312002132 is about 17663.5820829185. The cubic root of 312002132 is about 678.2438334845.

Adding to 312002132 its reverse (231200213), we get a palindrome (543202345).

It can be divided in two parts, 31200213 and 2, that multiplied together give a palindrome (62400426).

The spelling of 312002132 in words is "three hundred twelve million, two thousand, one hundred thirty-two".