220231013313 has 32 divisors (see below), whose sum is σ = 319395343104. Its totient is φ = 134416668672.

The previous prime is 220231013311. The next prime is 220231013323. The reversal of 220231013313 is 313310132022.

It is not a de Polignac number, because 220231013313 - 2¹ = 220231013311 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 220231013313.

It is not an unprimeable number, because it can be changed into a prime (220231013311) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9360981 + ... + 9384477.

It is an arithmetic number, because the mean of its divisors is an integer number (9981104472).

Almost surely, 2^220231013313 is an apocalyptic number.

It is an amenable number.

220231013313 is a deficient number, since it is larger than the sum of its proper divisors (99164329791).

220231013313 is a wasteful number, since it uses less digits than its factorization.

220231013313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28521.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 220231013313 its reverse (313310132022), we get a palindrome (533541145335).

The spelling of 220231013313 in words is "two hundred twenty billion, two hundred thirty-one million, thirteen thousand, three hundred thirteen".