220013031331 has 4 divisors (see below), whose sum is σ = 220587478272. Its totient is φ = 219438584392.

The previous prime is 220013031299. The next prime is 220013031341. The reversal of 220013031331 is 133130310022.

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 220013031331 - 2⁵ = 220013031299 is a prime.

It is a super-2 number, since 2×220013031331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220013031299 and 220013031308.

It is not an unprimeable number, because it can be changed into a prime (220013031341) 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, 287222896 + ... + 287223661.

It is an arithmetic number, because the mean of its divisors is an integer number (55146869568).

Almost surely, 2^220013031331 is an apocalyptic number.

220013031331 is a deficient number, since it is larger than the sum of its proper divisors (574446941).

220013031331 is an equidigital number, since it uses as much as digits as its factorization.

220013031331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574446940.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 220013031331 its reverse (133130310022), we get a palindrome (353143341353).

The spelling of 220013031331 in words is "two hundred twenty billion, thirteen million, thirty-one thousand, three hundred thirty-one".