21134031304104 has 32 divisors (see below), whose sum is σ = 58705642512000. Its totient is φ = 7044677101296.

The previous prime is 21134031304091. The next prime is 21134031304157. The reversal of 21134031304104 is 40140313043112.

21134031304104 is a `hidden beast` number, since 2 + 1 + 1 + 340 + 3 + 1 + 304 + 10 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48921368544 + ... + 48921368975.

It is an arithmetic number, because the mean of its divisors is an integer number (1834551328500).

Almost surely, 2^{21134031304104} is an apocalyptic number.

21134031304104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

21134031304104 is an abundant number, since it is smaller than the sum of its proper divisors (37571611207896).

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

21134031304104 is a wasteful number, since it uses less digits than its factorization.

21134031304104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97842737534 (or 97842737524 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 21134031304104 its reverse (40140313043112), we get a palindrome (61274344347216).

The spelling of 21134031304104 in words is "twenty-one trillion, one hundred thirty-four billion, thirty-one million, three hundred four thousand, one hundred four".