220513333231 has 8 divisors (see below), whose sum is σ = 233565353280. Its totient is φ = 207470274048.

The previous prime is 220513333213. The next prime is 220513333273. The reversal of 220513333231 is 132333315022.

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 220513333231 - 2²³ = 220504944623 is a prime.

It is a super-2 number, since 2×220513333231² (a number of 23 digits) contains 22 as substring.

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 220513333231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220513333291) 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, 2189511 + ... + 2288008.

It is an arithmetic number, because the mean of its divisors is an integer number (29195669160).

Almost surely, 2^220513333231 is an apocalyptic number.

220513333231 is a deficient number, since it is larger than the sum of its proper divisors (13052020049).

220513333231 is a wasteful number, since it uses less digits than its factorization.

220513333231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4480433.

The product of its (nonzero) digits is 9720, while the sum is 28.

Adding to 220513333231 its reverse (132333315022), we get a palindrome (352846648253).

The spelling of 220513333231 in words is "two hundred twenty billion, five hundred thirteen million, three hundred thirty-three thousand, two hundred thirty-one".