311100102020 has 48 divisors (see below), whose sum is σ = 694371699840. Its totient is φ = 116745981696.

The previous prime is 311100101989. The next prime is 311100102031. The reversal of 311100102020 is 20201001113.

It is a junction number, because it is equal to n+sod(n) for n = 311100101992 and 311100102010.

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, 3935057 + ... + 4013336.

It is an arithmetic number, because the mean of its divisors is an integer number (14466077080).

Almost surely, 2^311100102020 is an apocalyptic number.

It is an amenable number.

311100102020 is an abundant number, since it is smaller than the sum of its proper divisors (383271597820).

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

311100102020 is a wasteful number, since it uses less digits than its factorization.

311100102020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7948524 (or 7948522 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 311100102020 its reverse (20201001113), we get a palindrome (331301103133).

The spelling of 311100102020 in words is "three hundred eleven billion, one hundred million, one hundred two thousand, twenty".