20221103131 has 8 divisors (see below), whose sum is σ = 21107473920. Its totient is φ = 19335331752.

The previous prime is 20221103129. The next prime is 20221103179. The reversal of 20221103131 is 13130112202.

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 20221103131 - 2¹ = 20221103129 is a prime.

It is a super-2 number, since 2×20221103131² (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 (20221103431) 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, 80211 + ... + 216508.

It is an arithmetic number, because the mean of its divisors is an integer number (2638434240).

Almost surely, 2^20221103131 is an apocalyptic number.

20221103131 is a deficient number, since it is larger than the sum of its proper divisors (886370789).

20221103131 is a wasteful number, since it uses less digits than its factorization.

20221103131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299705.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 20221103131 its reverse (13130112202), we get a palindrome (33351215333).

The spelling of 20221103131 in words is "twenty billion, two hundred twenty-one million, one hundred three thousand, one hundred thirty-one".