312332133 has 16 divisors (see below), whose sum is σ = 428457600. Its totient is φ = 202234176.

The previous prime is 312332123. The next prime is 312332159. The reversal of 312332133 is 331233213.

It is not a de Polignac number, because 312332133 - 2¹⁰ = 312331109 is a prime.

It is a super-2 number, since 2×312332133² = 195102722608659378, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312332123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69643 + ... + 73991.

It is an arithmetic number, because the mean of its divisors is an integer number (26778600).

Almost surely, 2^312332133 is an apocalyptic number.

It is an amenable number.

312332133 is a deficient number, since it is larger than the sum of its proper divisors (116125467).

312332133 is a wasteful number, since it uses less digits than its factorization.

312332133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5036.

The product of its digits is 972, while the sum is 21.

The square root of 312332133 is about 17672.9208961054. The cubic root of 312332133 is about 678.4828727471.

Adding to 312332133 its reverse (331233213), we get a palindrome (643565346).

It can be divided in two parts, 31233213 and 3, that multiplied together give a palindrome (93699639).

The spelling of 312332133 in words is "three hundred twelve million, three hundred thirty-two thousand, one hundred thirty-three".