21301313042004 has 24 divisors (see below), whose sum is σ = 49925947464960. Its totient is φ = 7068597152064.

The previous prime is 21301313041949. The next prime is 21301313042021. The reversal of 21301313042004 is 40024031310312.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3980063289 + ... + 3980068640.

It is an arithmetic number, because the mean of its divisors is an integer number (2080247811040).

Almost surely, 2^{21301313042004} is an apocalyptic number.

It is an amenable number.

21301313042004 is an abundant number, since it is smaller than the sum of its proper divisors (28624634422956).

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

21301313042004 is a wasteful number, since it uses less digits than its factorization.

21301313042004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7960132159 (or 7960132157 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 21301313042004 its reverse (40024031310312), we get a palindrome (61325344352316).

The spelling of 21301313042004 in words is "twenty-one trillion, three hundred one billion, three hundred thirteen million, forty-two thousand, four".