312022132 has 18 divisors (see below), whose sum is σ = 549524402. Its totient is φ = 155021424.

The previous prime is 312022129. The next prime is 312022133. The reversal of 312022132 is 231220213.

It can be written as a sum of positive squares in only one way, i.e., 290157156 + 21864976 = 17034^2 + 4676^2 .

It is a super-3 number, since 3×312022132³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312022133) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 110158 + ... + 112954.

Almost surely, 2^312022132 is an apocalyptic number.

It is an amenable number.

312022132 is a deficient number, since it is larger than the sum of its proper divisors (237502270).

312022132 is a wasteful number, since it uses less digits than its factorization.

312022132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3135 (or 2966 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 312022132 is about 17664.1482104289. The cubic root of 312022132 is about 678.2583254654.

Adding to 312022132 its reverse (231220213), we get a palindrome (543242345).

It can be divided in two parts, 3120 and 22132, that added together give a palindrome (25252).

The spelling of 312022132 in words is "three hundred twelve million, twenty-two thousand, one hundred thirty-two".