21304314801 has 48 divisors (see below), whose sum is σ = 38387801088. Its totient is φ = 11060949600.

The previous prime is 21304314799. The next prime is 21304314803. The reversal of 21304314801 is 10841340312.

It is an interprime number because it is at equal distance from previous prime (21304314799) and next prime (21304314803).

It is not a de Polignac number, because 21304314801 - 2¹ = 21304314799 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (21304314803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1385980 + ... + 1401266.

It is an arithmetic number, because the mean of its divisors is an integer number (799745856).

Almost surely, 2^21304314801 is an apocalyptic number.

21304314801 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

21304314801 is a deficient number, since it is larger than the sum of its proper divisors (17083486287).

21304314801 is a wasteful number, since it uses less digits than its factorization.

21304314801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17322 (or 17319 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The spelling of 21304314801 in words is "twenty-one billion, three hundred four million, three hundred fourteen thousand, eight hundred one".