311233345104 has 80 divisors (see below), whose sum is σ = 878558054400. Its totient is φ = 94157662080.

The previous prime is 311233345099. The next prime is 311233345289. The reversal of 311233345104 is 401543332113.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 165054 + ... + 806045.

It is an arithmetic number, because the mean of its divisors is an integer number (10981975680).

Almost surely, 2^311233345104 is an apocalyptic number.

It is an amenable number.

311233345104 is an abundant number, since it is smaller than the sum of its proper divisors (567324709296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

311233345104 is a wasteful number, since it uses less digits than its factorization.

311233345104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 971728 (or 971722 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

Adding to 311233345104 its reverse (401543332113), we get a palindrome (712776677217).

The spelling of 311233345104 in words is "three hundred eleven billion, two hundred thirty-three million, three hundred forty-five thousand, one hundred four".