100223303381 has 2 divisors, whose sum is σ = 100223303382. Its totient is φ = 100223303380.

The previous prime is 100223303329. The next prime is 100223303387. The reversal of 100223303381 is 183303322001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99345366481 + 877936900 = 315191^2 + 29630^2 .

It is a cyclic number.

It is not a de Polignac number, because 100223303381 - 2³⁰ = 99149561557 is a prime.

It is a super-2 number, since 2×100223303381² (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 100223303381.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100223303387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50111651690 + 50111651691.

It is an arithmetic number, because the mean of its divisors is an integer number (50111651691).

Almost surely, 2^100223303381 is an apocalyptic number.

It is an amenable number.

100223303381 is a deficient number, since it is larger than the sum of its proper divisors (1).

100223303381 is an equidigital number, since it uses as much as digits as its factorization.

100223303381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 100223303381 its reverse (183303322001), we get a palindrome (283526625382).

The spelling of 100223303381 in words is "one hundred billion, two hundred twenty-three million, three hundred three thousand, three hundred eighty-one".