21130313001 has 16 divisors (see below), whose sum is σ = 32367157248. Its totient is φ = 12011245200.

The previous prime is 21130312999. The next prime is 21130313023. The reversal of 21130313001 is 10031303112.

It is not a de Polignac number, because 21130313001 - 2¹ = 21130312999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21130313101) 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, 2630035 + ... + 2638056.

It is an arithmetic number, because the mean of its divisors is an integer number (2022947328).

Almost surely, 2^21130313001 is an apocalyptic number.

21130313001 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

21130313001 is a deficient number, since it is larger than the sum of its proper divisors (11236844247).

21130313001 is a wasteful number, since it uses less digits than its factorization.

21130313001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5268292.

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

Adding to 21130313001 its reverse (10031303112), we get a palindrome (31161616113).

The spelling of 21130313001 in words is "twenty-one billion, one hundred thirty million, three hundred thirteen thousand, one".