311441100023020 has 36 divisors (see below), whose sum is σ = 718888423447152. Its totient is φ = 113251309098400.

The previous prime is 311441100022999. The next prime is 311441100023021. The reversal of 311441100023020 is 20320001144113.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 311441100022982 and 311441100023000.

It is not an unprimeable number, because it can be changed into a prime (311441100023021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64347332296 + ... + 64347337135.

It is an arithmetic number, because the mean of its divisors is an integer number (19969122873532).

Almost surely, 2^{311441100023020} is an apocalyptic number.

It is an amenable number.

311441100023020 is an abundant number, since it is smaller than the sum of its proper divisors (407447323424132).

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

311441100023020 is a wasteful number, since it uses less digits than its factorization.

311441100023020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128694669462 (or 128694669449 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 311441100023020 its reverse (20320001144113), we get a palindrome (331761101167133).

The spelling of 311441100023020 in words is "three hundred eleven trillion, four hundred forty-one billion, one hundred million, twenty-three thousand, twenty".