20031002331223 has 8 divisors (see below), whose sum is σ = 21574488828816. Its totient is φ = 18487893000000.

The previous prime is 20031002331169. The next prime is 20031002331323. The reversal of 20031002331223 is 32213320013002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20031002331223 is a prime.

It is a super-2 number, since 2×20031002331223² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20031002331194 and 20031002331203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20031002331323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94181278 + ... + 94393723.

It is an arithmetic number, because the mean of its divisors is an integer number (2696811103602).

Almost surely, 2^{20031002331223} is an apocalyptic number.

20031002331223 is a deficient number, since it is larger than the sum of its proper divisors (1543486497593).

20031002331223 is a wasteful number, since it uses less digits than its factorization.

20031002331223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188583185.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 20031002331223 its reverse (32213320013002), we get a palindrome (52244322344225).

The spelling of 20031002331223 in words is "twenty trillion, thirty-one billion, two million, three hundred thirty-one thousand, two hundred twenty-three".