20130344291 has 8 divisors (see below), whose sum is σ = 20242003200. Its totient is φ = 20018790792.

The previous prime is 20130344261. The next prime is 20130344383. The reversal of 20130344291 is 19244303102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20130344291 - 2¹⁰ = 20130343267 is a prime.

It is a super-2 number, since 2×20130344291² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20130344251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 373346 + ... + 423848.

It is an arithmetic number, because the mean of its divisors is an integer number (2530250400).

Almost surely, 2^20130344291 is an apocalyptic number.

20130344291 is a deficient number, since it is larger than the sum of its proper divisors (111658909).

20130344291 is a wasteful number, since it uses less digits than its factorization.

20130344291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52705.

The product of its (nonzero) digits is 5184, while the sum is 29.

Adding to 20130344291 its reverse (19244303102), we get a palindrome (39374647393).

The spelling of 20130344291 in words is "twenty billion, one hundred thirty million, three hundred forty-four thousand, two hundred ninety-one".