311033212004 has 18 divisors (see below), whose sum is σ = 553690072614. Its totient is φ = 152880724480.

The previous prime is 311033212003. The next prime is 311033212019. The reversal of 311033212004 is 400212330113.

It can be written as a sum of positive squares in only one way, i.e., 309022586404 + 2010625600 = 555898^2 + 44840^2 .

It is not an unprimeable number, because it can be changed into a prime (311033212003) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11155037 + ... + 11182884.

Almost surely, 2^311033212004 is an apocalyptic number.

It is an amenable number.

311033212004 is a deficient number, since it is larger than the sum of its proper divisors (242656860610).

311033212004 is a wasteful number, since it uses less digits than its factorization.

311033212004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22338043 (or 22337982 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 311033212004 its reverse (400212330113), we get a palindrome (711245542117).

The spelling of 311033212004 in words is "three hundred eleven billion, thirty-three million, two hundred twelve thousand, four".