20030111310 has 96 divisors (see below), whose sum is σ = 52894951200. Its totient is φ = 4850714880.

The previous prime is 20030111293. The next prime is 20030111333. The reversal of 20030111310 is 1311103002.

It is a super-2 number, since 2×20030111310² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4400916 + ... + 4405464.

It is an arithmetic number, because the mean of its divisors is an integer number (550989075).

Almost surely, 2^20030111310 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20030111310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26447475600).

20030111310 is an abundant number, since it is smaller than the sum of its proper divisors (32864839890).

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

20030111310 is a wasteful number, since it uses less digits than its factorization.

20030111310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5794 (or 5783 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 20030111310 its reverse (1311103002), we get a palindrome (21341214312).

The spelling of 20030111310 in words is "twenty billion, thirty million, one hundred eleven thousand, three hundred ten".