21331004331308 has 24 divisors (see below), whose sum is σ = 43466952225312. Its totient is φ = 8969371092864.

The previous prime is 21331004331257. The next prime is 21331004331319. The reversal of 21331004331308 is 80313340013312.

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, 7186994585 + ... + 7186997552.

It is an arithmetic number, because the mean of its divisors is an integer number (1811123009388).

Almost surely, 2^{21331004331308} is an apocalyptic number.

21331004331308 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

21331004331308 is an abundant number, since it is smaller than the sum of its proper divisors (22135947894004).

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

21331004331308 is a wasteful number, since it uses less digits than its factorization.

21331004331308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14373992201 (or 14373992199 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 32.

The spelling of 21331004331308 in words is "twenty-one trillion, three hundred thirty-one billion, four million, three hundred thirty-one thousand, three hundred eight".