21130201343 has 8 divisors (see below), whose sum is σ = 21305706240. Its totient is φ = 20955032280.

The previous prime is 21130201291. The next prime is 21130201363. The reversal of 21130201343 is 34310203112.

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 21130201343 - 2³⁰ = 20056459519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21130201363) 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, 43196 + ... + 210062.

It is an arithmetic number, because the mean of its divisors is an integer number (2663213280).

Almost surely, 2^21130201343 is an apocalyptic number.

21130201343 is a deficient number, since it is larger than the sum of its proper divisors (175504897).

21130201343 is a wasteful number, since it uses less digits than its factorization.

21130201343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167917.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 21130201343 its reverse (34310203112), we get a palindrome (55440404455).

The spelling of 21130201343 in words is "twenty-one billion, one hundred thirty million, two hundred one thousand, three hundred forty-three".