220011031131 has 8 divisors (see below), whose sum is σ = 293359436304. Its totient is φ = 146668323360.

The previous prime is 220011031099. The next prime is 220011031159. The reversal of 220011031131 is 131130110022.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 220011031131 - 2⁵ = 220011031099 is a prime.

It is a super-2 number, since 2×220011031131² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 220011031131.

It is not an unprimeable number, because it can be changed into a prime (220011031181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1333416 + ... + 1489301.

It is an arithmetic number, because the mean of its divisors is an integer number (36669929538).

Almost surely, 2^220011031131 is an apocalyptic number.

220011031131 is a deficient number, since it is larger than the sum of its proper divisors (73348405173).

220011031131 is a wasteful number, since it uses less digits than its factorization.

220011031131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2848701.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 220011031131 its reverse (131130110022), we get a palindrome (351141141153).

The spelling of 220011031131 in words is "two hundred twenty billion, eleven million, thirty-one thousand, one hundred thirty-one".