220131131133 has 32 divisors (see below), whose sum is σ = 317640040960. Its totient is φ = 135153023040.

The previous prime is 220131131123. The next prime is 220131131153. The reversal of 220131131133 is 331131131022.

It is a happy number.

It is not a de Polignac number, because 220131131133 - 2⁴ = 220131131117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220131131123) 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 31 ways as a sum of consecutive naturals, for example, 304335 + ... + 729987.

It is an arithmetic number, because the mean of its divisors is an integer number (9926251280).

Almost surely, 2^220131131133 is an apocalyptic number.

It is an amenable number.

220131131133 is a deficient number, since it is larger than the sum of its proper divisors (97508909827).

220131131133 is a wasteful number, since it uses less digits than its factorization.

220131131133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425929.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 220131131133 its reverse (331131131022), we get a palindrome (551262262155).

The spelling of 220131131133 in words is "two hundred twenty billion, one hundred thirty-one million, one hundred thirty-one thousand, one hundred thirty-three".