220311130103 has 4 divisors (see below), whose sum is σ = 231906452760. Its totient is φ = 208715807448.

The previous prime is 220311130099. The next prime is 220311130129. The reversal of 220311130103 is 301031113022.

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

It is a cyclic number.

It is not a de Polignac number, because 220311130103 - 2² = 220311130099 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 (220311130163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5797661300 + ... + 5797661337.

It is an arithmetic number, because the mean of its divisors is an integer number (57976613190).

Almost surely, 2^220311130103 is an apocalyptic number.

220311130103 is a deficient number, since it is larger than the sum of its proper divisors (11595322657).

220311130103 is a wasteful number, since it uses less digits than its factorization.

220311130103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11595322656.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 220311130103 its reverse (301031113022), we get a palindrome (521342243125).

The spelling of 220311130103 in words is "two hundred twenty billion, three hundred eleven million, one hundred thirty thousand, one hundred three".