3111322300020 has 240 divisors, whose sum is σ = 10848538407168. Its totient is φ = 740028407040.

The previous prime is 3111322300003. The next prime is 3111322300039. The reversal of 3111322300020 is 200032231113.

3111322300020 is a `hidden beast` number, since 31 + 11 + 322 + 300 + 0 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 3111322299966 and 3111322300002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 702684 + ... + 2591603.

Almost surely, 2^{3111322300020} is an apocalyptic number.

3111322300020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3111322300020 is an abundant number, since it is smaller than the sum of its proper divisors (7737216107148).

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

3111322300020 is a wasteful number, since it uses less digits than its factorization.

3111322300020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3294372 (or 3294361 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 3111322300020 its reverse (200032231113), we get a palindrome (3311354531133).

The spelling of 3111322300020 in words is "three trillion, one hundred eleven billion, three hundred twenty-two million, three hundred thousand, twenty".