311122004 has 12 divisors (see below), whose sum is σ = 552590304. Its totient is φ = 153239064.

The previous prime is 311122003. The next prime is 311122037. The reversal of 311122004 is 400221113.

311122004 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 311122004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311122003) 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, 580184 + ... + 580719.

It is an arithmetic number, because the mean of its divisors is an integer number (46049192).

Almost surely, 2^311122004 is an apocalyptic number.

It is an amenable number.

311122004 is a deficient number, since it is larger than the sum of its proper divisors (241468300).

311122004 is a wasteful number, since it uses less digits than its factorization.

311122004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1160974 (or 1160972 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 311122004 is about 17638.6508554368. The cubic root of 311122004 is about 677.6054793266.

Adding to 311122004 its reverse (400221113), we get a palindrome (711343117).

The spelling of 311122004 in words is "three hundred eleven million, one hundred twenty-two thousand, four".