220312113 has 16 divisors (see below), whose sum is σ = 339488640. Its totient is φ = 124477056.

The previous prime is 220312109. The next prime is 220312187. The reversal of 220312113 is 311213022.

It is not a de Polignac number, because 220312113 - 2² = 220312109 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 220312092 and 220312101.

It is not an unprimeable number, because it can be changed into a prime (220312513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57070 + ... + 60807.

It is an arithmetic number, because the mean of its divisors is an integer number (21218040).

Almost surely, 2^220312113 is an apocalyptic number.

It is an amenable number.

220312113 is a deficient number, since it is larger than the sum of its proper divisors (119176527).

220312113 is a wasteful number, since it uses less digits than its factorization.

220312113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117976.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 220312113 is about 14842.9145722799. The cubic root of 220312113 is about 603.9664186482.

Adding to 220312113 its reverse (311213022), we get a palindrome (531525135).

Subtracting 220312113 from its reverse (311213022), we obtain a palindrome (90900909).

The spelling of 220312113 in words is "two hundred twenty million, three hundred twelve thousand, one hundred thirteen".