100310021293 has 2 divisors, whose sum is σ = 100310021294. Its totient is φ = 100310021292.

The previous prime is 100310021191. The next prime is 100310021321. The reversal of 100310021293 is 392120013001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 86517163044 + 13792858249 = 294138^2 + 117443^2 .

It is an emirp because it is prime and its reverse (392120013001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100310021293 - 2¹⁷ = 100309890221 is a prime.

It is a super-3 number, since 3×100310021293³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100310021893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50155010646 + 50155010647.

It is an arithmetic number, because the mean of its divisors is an integer number (50155010647).

Almost surely, 2^100310021293 is an apocalyptic number.

It is an amenable number.

100310021293 is a deficient number, since it is larger than the sum of its proper divisors (1).

100310021293 is an equidigital number, since it uses as much as digits as its factorization.

100310021293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 100310021293 its reverse (392120013001), we get a palindrome (492430034294).

The spelling of 100310021293 in words is "one hundred billion, three hundred ten million, twenty-one thousand, two hundred ninety-three".