21301313001 has 16 divisors (see below), whose sum is σ = 28518024960. Its totient is φ = 14142781440.

The previous prime is 21301312997. The next prime is 21301313017. The reversal of 21301313001 is 10031310312.

It is not a de Polignac number, because 21301313001 - 2² = 21301312997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21301317001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3259305 + ... + 3265833.

It is an arithmetic number, because the mean of its divisors is an integer number (1782376560).

Almost surely, 2^21301313001 is an apocalyptic number.

It is an amenable number.

21301313001 is a deficient number, since it is larger than the sum of its proper divisors (7216711959).

21301313001 is a wasteful number, since it uses less digits than its factorization.

21301313001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10816.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 21301313001 its reverse (10031310312), we get a palindrome (31332623313).

It can be divided in two parts, 2130 and 1313001, that added together give a palindrome (1315131).

The spelling of 21301313001 in words is "twenty-one billion, three hundred one million, three hundred thirteen thousand, one".