220130031023 has 8 divisors (see below), whose sum is σ = 251580628992. Its totient is φ = 188680295736.

The previous prime is 220130030977. The next prime is 220130031053. The reversal of 220130031023 is 320130031022.

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-220130031023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 220130030992 and 220130031010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220130031053) 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, 481286 + ... + 819692.

It is an arithmetic number, because the mean of its divisors is an integer number (31447578624).

Almost surely, 2^220130031023 is an apocalyptic number.

220130031023 is a deficient number, since it is larger than the sum of its proper divisors (31450597969).

220130031023 is an equidigital number, since it uses as much as digits as its factorization.

220130031023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431341.

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

Adding to 220130031023 its reverse (320130031022), we get a palindrome (540260062045).

Subtracting 220130031023 from its reverse (320130031022), we obtain a palindrome (99999999999).

The spelling of 220130031023 in words is "two hundred twenty billion, one hundred thirty million, thirty-one thousand, twenty-three".