21034111431300 has 72 divisors (see below), whose sum is σ = 66391304455392. Its totient is φ = 5099178528000.

The previous prime is 21034111431271. The next prime is 21034111431313. The reversal of 21034111431300 is 313411143012.

It is a happy number.

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, 3186983281 + ... + 3186989880.

Almost surely, 2^{21034111431300} is an apocalyptic number.

21034111431300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21034111431300 is an abundant number, since it is smaller than the sum of its proper divisors (45357193024092).

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

21034111431300 is a wasteful number, since it uses less digits than its factorization.

21034111431300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6373973189 (or 6373973182 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 21034111431300 its reverse (313411143012), we get a palindrome (21347522574312).

The spelling of 21034111431300 in words is "twenty-one trillion, thirty-four billion, one hundred eleven million, four hundred thirty-one thousand, three hundred".