220312311003 has 6 divisors (see below), whose sum is σ = 318228893684. Its totient is φ = 146874873996.

The previous prime is 220312311001. The next prime is 220312311007. The reversal of 220312311003 is 300113213022.

220312311003 is a `hidden beast` number, since 220 + 312 + 31 + 100 + 3 = 666.

It is not a de Polignac number, because 220312311003 - 2¹ = 220312311001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220312311001) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12239572825 + ... + 12239572842.

Almost surely, 2^220312311003 is an apocalyptic number.

220312311003 is a deficient number, since it is larger than the sum of its proper divisors (97916582681).

220312311003 is a wasteful number, since it uses less digits than its factorization.

220312311003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24479145673 (or 24479145670 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 220312311003 its reverse (300113213022), we get a palindrome (520425524025).

The spelling of 220312311003 in words is "two hundred twenty billion, three hundred twelve million, three hundred eleven thousand, three".