20130311100300 has 72 divisors (see below), whose sum is σ = 58244156250000. Its totient is φ = 5368040920320.

The previous prime is 20130311100287. The next prime is 20130311100353. The reversal of 20130311100300 is 300111303102.

It is a super-2 number, since 2×20130311100300² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 20130311100300.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 65471326 + ... + 65778074.

Almost surely, 2^{20130311100300} is an apocalyptic number.

20130311100300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20130311100300 is an abundant number, since it is smaller than the sum of its proper divisors (38113845149700).

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

20130311100300 is a wasteful number, since it uses less digits than its factorization.

20130311100300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525515 (or 525508 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 20130311100300 its reverse (300111303102), we get a palindrome (20430422403402).

The spelling of 20130311100300 in words is "twenty trillion, one hundred thirty billion, three hundred eleven million, one hundred thousand, three hundred".