20031000310223 has 16 divisors (see below), whose sum is σ = 23095547086656. Its totient is φ = 17017202442240.

The previous prime is 20031000310219. The next prime is 20031000310267. The reversal of 20031000310223 is 32201300013002.

It is not a de Polignac number, because 20031000310223 - 2² = 20031000310219 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 (20031000313223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56834063 + ... + 57185423.

It is an arithmetic number, because the mean of its divisors is an integer number (1443471692916).

Almost surely, 2^{20031000310223} is an apocalyptic number.

20031000310223 is a deficient number, since it is larger than the sum of its proper divisors (3064546776433).

20031000310223 is a wasteful number, since it uses less digits than its factorization.

20031000310223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423554.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 20031000310223 its reverse (32201300013002), we get a palindrome (52232300323225).

The spelling of 20031000310223 in words is "twenty trillion, thirty-one billion, three hundred ten thousand, two hundred twenty-three".