220311130013 has 4 divisors (see below), whose sum is σ = 237258140028. Its totient is φ = 203364120000.

The previous prime is 220311130003. The next prime is 220311130019. The reversal of 220311130013 is 310031113022.

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

It can be written as a sum of positive squares in 2 ways, for example, as 29260839364 + 191050290649 = 171058^2 + 437093^2 .

It is a cyclic number.

It is not a de Polignac number, because 220311130013 - 2¹⁸ = 220310867869 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 220311129973 and 220311130000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220311130019) 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, 8473504988 + ... + 8473505013.

It is an arithmetic number, because the mean of its divisors is an integer number (59314535007).

Almost surely, 2^220311130013 is an apocalyptic number.

It is an amenable number.

220311130013 is a deficient number, since it is larger than the sum of its proper divisors (16947010015).

220311130013 is a wasteful number, since it uses less digits than its factorization.

220311130013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16947010014.

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

Adding to 220311130013 its reverse (310031113022), we get a palindrome (530342243035).

The spelling of 220311130013 in words is "two hundred twenty billion, three hundred eleven million, one hundred thirty thousand, thirteen".