20314222121231 has 4 divisors (see below), whose sum is σ = 20617419466392. Its totient is φ = 20011024776072.

The previous prime is 20314222121197. The next prime is 20314222121243. The reversal of 20314222121231 is 13212122241302.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20314222121231 - 2²² = 20314217926927 is a prime.

It is a super-2 number, since 2×20314222121231² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20314222121231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20314222127231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151598672480 + ... + 151598672613.

It is an arithmetic number, because the mean of its divisors is an integer number (5154354866598).

Almost surely, 2^{20314222121231} is an apocalyptic number.

20314222121231 is a deficient number, since it is larger than the sum of its proper divisors (303197345161).

20314222121231 is an equidigital number, since it uses as much as digits as its factorization.

20314222121231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303197345160.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 20314222121231 its reverse (13212122241302), we get a palindrome (33526344362533).

The spelling of 20314222121231 in words is "twenty trillion, three hundred fourteen billion, two hundred twenty-two million, one hundred twenty-one thousand, two hundred thirty-one".