100220310131 has 4 divisors (see below), whose sum is σ = 100504220712. Its totient is φ = 99936399552.

The previous prime is 100220310121. The next prime is 100220310133. The reversal of 100220310131 is 131013022001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 100220310131 - 2⁶ = 100220310067 is a prime.

It is a super-2 number, since 2×100220310131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100220310133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141954761 + ... + 141955466.

It is an arithmetic number, because the mean of its divisors is an integer number (25126055178).

Almost surely, 2^100220310131 is an apocalyptic number.

100220310131 is a deficient number, since it is larger than the sum of its proper divisors (283910581).

100220310131 is an equidigital number, since it uses as much as digits as its factorization.

100220310131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283910580.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 100220310131 its reverse (131013022001), we get a palindrome (231233332132).

The spelling of 100220310131 in words is "one hundred billion, two hundred twenty million, three hundred ten thousand, one hundred thirty-one".