100220323013 has 2 divisors, whose sum is σ = 100220323014. Its totient is φ = 100220323012.

The previous prime is 100220323009. The next prime is 100220323051. The reversal of 100220323013 is 310323022001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78782385124 + 21437937889 = 280682^2 + 146417^2 .

It is a cyclic number.

It is not a de Polignac number, because 100220323013 - 2² = 100220323009 is a prime.

It is a super-2 number, since 2×100220323013² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100220322982 and 100220323000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100220323513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50110161506 + 50110161507.

It is an arithmetic number, because the mean of its divisors is an integer number (50110161507).

Almost surely, 2^100220323013 is an apocalyptic number.

It is an amenable number.

100220323013 is a deficient number, since it is larger than the sum of its proper divisors (1).

100220323013 is an equidigital number, since it uses as much as digits as its factorization.

100220323013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 100220323013 its reverse (310323022001), we get a palindrome (410543345014).

The spelling of 100220323013 in words is "one hundred billion, two hundred twenty million, three hundred twenty-three thousand, thirteen".