220031232113 has 16 divisors (see below), whose sum is σ = 276841403520. Its totient is φ = 169879939200.

The previous prime is 220031232079. The next prime is 220031232121. The reversal of 220031232113 is 311232130022.

It is a cyclic number.

It is not a de Polignac number, because 220031232113 - 2²⁸ = 219762796657 is a prime.

It is not an unprimeable number, because it can be changed into a prime (220031232413) 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, 13099628 + ... + 13116413.

It is an arithmetic number, because the mean of its divisors is an integer number (17302587720).

Almost surely, 2^220031232113 is an apocalyptic number.

It is an amenable number.

220031232113 is a deficient number, since it is larger than the sum of its proper divisors (56810171407).

220031232113 is a wasteful number, since it uses less digits than its factorization.

220031232113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26216168.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 220031232113 its reverse (311232130022), we get a palindrome (531263362135).

The spelling of 220031232113 in words is "two hundred twenty billion, thirty-one million, two hundred thirty-two thousand, one hundred thirteen".