311443333212244 has 12 divisors (see below), whose sum is σ = 545335682953600. Its totient is φ = 155633138082648.

The previous prime is 311443333212241. The next prime is 311443333212257. The reversal of 311443333212244 is 442212333344113.

It is a junction number, because it is equal to n+sod(n) for n = 311443333212197 and 311443333212206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311443333212241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22132122954 + ... + 22132137025.

Almost surely, 2^{311443333212244} is an apocalyptic number.

It is an amenable number.

311443333212244 is a deficient number, since it is larger than the sum of its proper divisors (233892349741356).

311443333212244 is a wasteful number, since it uses less digits than its factorization.

311443333212244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44264261742 (or 44264261740 counting only the distinct ones).

The product of its digits is 497664, while the sum is 40.

Adding to 311443333212244 its reverse (442212333344113), we get a palindrome (753655666556357).

The spelling of 311443333212244 in words is "three hundred eleven trillion, four hundred forty-three billion, three hundred thirty-three million, two hundred twelve thousand, two hundred forty-four".