100321003253 has 2 divisors, whose sum is σ = 100321003254. Its totient is φ = 100321003252.

The previous prime is 100321003247. The next prime is 100321003261. The reversal of 100321003253 is 352300123001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98459771089 + 1861232164 = 313783^2 + 43142^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100321003253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100321003553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50160501626 + 50160501627.

It is an arithmetic number, because the mean of its divisors is an integer number (50160501627).

Almost surely, 2^100321003253 is an apocalyptic number.

It is an amenable number.

100321003253 is a deficient number, since it is larger than the sum of its proper divisors (1).

100321003253 is an equidigital number, since it uses as much as digits as its factorization.

100321003253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 540, while the sum is 20.

Adding to 100321003253 its reverse (352300123001), we get a palindrome (452621126254).

The spelling of 100321003253 in words is "one hundred billion, three hundred twenty-one million, three thousand, two hundred fifty-three".