311142220204 has 12 divisors (see below), whose sum is σ = 563274709200. Its totient is φ = 150206589008.

The previous prime is 311142220183. The next prime is 311142220223. The reversal of 311142220204 is 402022241113.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1341130144 + ... + 1341130375.

It is an arithmetic number, because the mean of its divisors is an integer number (46939559100).

Almost surely, 2^311142220204 is an apocalyptic number.

It is an amenable number.

311142220204 is a deficient number, since it is larger than the sum of its proper divisors (252132488996).

311142220204 is a wasteful number, since it uses less digits than its factorization.

311142220204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2682260552 (or 2682260550 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 311142220204 its reverse (402022241113), we get a palindrome (713164461317).

The spelling of 311142220204 in words is "three hundred eleven billion, one hundred forty-two million, two hundred twenty thousand, two hundred four".