220312312303 has 8 divisors (see below), whose sum is σ = 226278280800. Its totient is φ = 214346953440.

The previous prime is 220312312279. The next prime is 220312312307. The reversal of 220312312303 is 303213213022.

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

It is a cyclic number.

It is not a de Polignac number, because 220312312303 - 2¹⁷ = 220312181231 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 (220312312307) 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, 634398 + ... + 918196.

It is an arithmetic number, because the mean of its divisors is an integer number (28284785100).

Almost surely, 2^220312312303 is an apocalyptic number.

220312312303 is a deficient number, since it is larger than the sum of its proper divisors (5965968497).

220312312303 is a wasteful number, since it uses less digits than its factorization.

220312312303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304817.

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

Adding to 220312312303 its reverse (303213213022), we get a palindrome (523525525325).

The spelling of 220312312303 in words is "two hundred twenty billion, three hundred twelve million, three hundred twelve thousand, three hundred three".