21313100331204 has 48 divisors (see below), whose sum is σ = 54285246200640. Its totient is φ = 6454501194240.

The previous prime is 21313100331121. The next prime is 21313100331223. The reversal of 21313100331204 is 40213300131312.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49962529 + ... + 50387304.

It is an arithmetic number, because the mean of its divisors is an integer number (1130942629180).

Almost surely, 2^{21313100331204} is an apocalyptic number.

It is an amenable number.

21313100331204 is an abundant number, since it is smaller than the sum of its proper divisors (32972145869436).

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

21313100331204 is a wasteful number, since it uses less digits than its factorization.

21313100331204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100351460 (or 100351458 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 21313100331204 its reverse (40213300131312), we get a palindrome (61526400462516).

The spelling of 21313100331204 in words is "twenty-one trillion, three hundred thirteen billion, one hundred million, three hundred thirty-one thousand, two hundred four".