312322132233 has 40 divisors (see below), whose sum is σ = 483817450688. Its totient is φ = 200620263456.

The previous prime is 312322132231. The next prime is 312322132237. The reversal of 312322132233 is 332231223213.

312322132233 is a `hidden beast` number, since 3 + 12 + 322 + 1 + 322 + 3 + 3 = 666.

It is not a de Polignac number, because 312322132233 - 2¹ = 312322132231 is a prime.

It is a super-2 number, since 2×312322132233² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 312322132197 and 312322132206.

It is not an unprimeable number, because it can be changed into a prime (312322132231) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 197191 + ... + 814572.

Almost surely, 2^312322132233 is an apocalyptic number.

It is an amenable number.

312322132233 is a deficient number, since it is larger than the sum of its proper divisors (171495318455).

312322132233 is a wasteful number, since it uses less digits than its factorization.

312322132233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011915 (or 1011906 counting only the distinct ones).

The product of its digits is 7776, while the sum is 27.

Adding to 312322132233 its reverse (332231223213), we get a palindrome (644553355446).

The spelling of 312322132233 in words is "three hundred twelve billion, three hundred twenty-two million, one hundred thirty-two thousand, two hundred thirty-three".