220131213113 has 24 divisors (see below), whose sum is σ = 274180545000. Its totient is φ = 175589449728.

The previous prime is 220131213103. The next prime is 220131213119. The reversal of 220131213113 is 311312131022.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 9035072809 + 211096140304 = 95053^2 + 459452^2 .

It is not a de Polignac number, because 220131213113 - 2⁸ = 220131212857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220131213119) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1410488 + ... + 1558761.

It is an arithmetic number, because the mean of its divisors is an integer number (11424189375).

Almost surely, 2^220131213113 is an apocalyptic number.

It is an amenable number.

220131213113 is a deficient number, since it is larger than the sum of its proper divisors (54049331887).

220131213113 is a wasteful number, since it uses less digits than its factorization.

220131213113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2969369 (or 2969362 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 220131213113 its reverse (311312131022), we get a palindrome (531443344135).

The spelling of 220131213113 in words is "two hundred twenty billion, one hundred thirty-one million, two hundred thirteen thousand, one hundred thirteen".