220311203312003 has 8 divisors (see below), whose sum is σ = 220790367684096. Its totient is φ = 219832550051400.

The previous prime is 220311203311981. The next prime is 220311203312009. The reversal of 220311203312003 is 300213302113022.

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 220311203312003 - 2¹⁸ = 220311203049859 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 220311203312003.

It is not an unprimeable number, because it can be changed into a prime (220311203312009) 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, 126914843 + ... + 128639028.

It is an arithmetic number, because the mean of its divisors is an integer number (27598795960512).

Almost surely, 2^{220311203312003} is an apocalyptic number.

220311203312003 is a deficient number, since it is larger than the sum of its proper divisors (479164372093).

220311203312003 is a wasteful number, since it uses less digits than its factorization.

220311203312003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255555745.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 220311203312003 its reverse (300213302113022), we get a palindrome (520524505425025).

The spelling of 220311203312003 in words is "two hundred twenty trillion, three hundred eleven billion, two hundred three million, three hundred twelve thousand, three".