220031003023 has 4 divisors (see below), whose sum is σ = 236956464808. Its totient is φ = 203105541240.

The previous prime is 220031002999. The next prime is 220031003047. The reversal of 220031003023 is 320300130022.

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

It is an interprime number because it is at equal distance from previous prime (220031002999) and next prime (220031003047).

It is a cyclic number.

It is not a de Polignac number, because 220031003023 - 2⁵ = 220031002991 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220031002988 and 220031003006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220031004023) 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 3 ways as a sum of consecutive naturals, for example, 8462730873 + ... + 8462730898.

It is an arithmetic number, because the mean of its divisors is an integer number (59239116202).

Almost surely, 2^220031003023 is an apocalyptic number.

220031003023 is a deficient number, since it is larger than the sum of its proper divisors (16925461785).

220031003023 is a wasteful number, since it uses less digits than its factorization.

220031003023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16925461784.

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 220031003023 its reverse (320300130022), we get a palindrome (540331133045).

The spelling of 220031003023 in words is "two hundred twenty billion, thirty-one million, three thousand, twenty-three".