312223202133 has 16 divisors (see below), whose sum is σ = 420578558400. Its totient is φ = 206009884800.

The previous prime is 312223202099. The next prime is 312223202149. The reversal of 312223202133 is 331202322213.

It is not a de Polignac number, because 312223202133 - 2²¹ = 312221104981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312223202633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 611913 + ... + 999441.

It is an arithmetic number, because the mean of its divisors is an integer number (26286159900).

Almost surely, 2^312223202133 is an apocalyptic number.

It is an amenable number.

312223202133 is a deficient number, since it is larger than the sum of its proper divisors (108355356267).

312223202133 is a wasteful number, since it uses less digits than its factorization.

312223202133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390292.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 312223202133 its reverse (331202322213), we get a palindrome (643425524346).

The spelling of 312223202133 in words is "three hundred twelve billion, two hundred twenty-three million, two hundred two thousand, one hundred thirty-three".