311223211223332 has 12 divisors (see below), whose sum is σ = 544661128190620. Its totient is φ = 155605746026016.

The previous prime is 311223211223299. The next prime is 311223211223339. The reversal of 311223211223332 is 233322112322113.

It can be written as a sum of positive squares in 2 ways, for example, as 156569513175076 + 154653698048256 = 12512774^2 + 12435984^2 .

It is a junction number, because it is equal to n+sod(n) for n = 311223211223294 and 311223211223303.

It is not an unprimeable number, because it can be changed into a prime (311223211223339) 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 3 ways as a sum of consecutive naturals, for example, 1464776907 + ... + 1464989362.

Almost surely, 2^{311223211223332} is an apocalyptic number.

It is an amenable number.

311223211223332 is a deficient number, since it is larger than the sum of its proper divisors (233437916967288).

311223211223332 is a wasteful number, since it uses less digits than its factorization.

311223211223332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2929792830 (or 2929792828 counting only the distinct ones).

The product of its digits is 15552, while the sum is 31.

Adding to 311223211223332 its reverse (233322112322113), we get a palindrome (544545323545445).

The spelling of 311223211223332 in words is "three hundred eleven trillion, two hundred twenty-three billion, two hundred eleven million, two hundred twenty-three thousand, three hundred thirty-two".