20344101331 has 8 divisors (see below), whose sum is σ = 21543414480. Its totient is φ = 19145077248.

The previous prime is 20344101269. The next prime is 20344101347. The reversal of 20344101331 is 13310144302.

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 20344101331 - 2²⁵ = 20310546899 is a prime.

It is a super-2 number, since 2×20344101331² (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 (20344101361) 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 7 ways as a sum of consecutive naturals, for example, 82075 + ... + 217771.

It is an arithmetic number, because the mean of its divisors is an integer number (2692926810).

Almost surely, 2^20344101331 is an apocalyptic number.

20344101331 is a deficient number, since it is larger than the sum of its proper divisors (1199313149).

20344101331 is a wasteful number, since it uses less digits than its factorization.

20344101331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144533.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 20344101331 its reverse (13310144302), we get a palindrome (33654245633).

The spelling of 20344101331 in words is "twenty billion, three hundred forty-four million, one hundred one thousand, three hundred thirty-one".