21030311201300 has 72 divisors (see below), whose sum is σ = 45659072257344. Its totient is φ = 8407831555840.

The previous prime is 21030311201267. The next prime is 21030311201303. The reversal of 21030311201300 is 310211303012.

It is a super-3 number, since 3×21030311201300³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21030311201303) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2926156307 + ... + 2926163493.

It is an arithmetic number, because the mean of its divisors is an integer number (634153781352).

Almost surely, 2^{21030311201300} is an apocalyptic number.

21030311201300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21030311201300 is an abundant number, since it is smaller than the sum of its proper divisors (24628761056044).

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

21030311201300 is a wasteful number, since it uses less digits than its factorization.

21030311201300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18065 (or 18058 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 21030311201300 its reverse (310211303012), we get a palindrome (21340522504312).

The spelling of 21030311201300 in words is "twenty-one trillion, thirty billion, three hundred eleven million, two hundred one thousand, three hundred".