100604313281 has 2 divisors, whose sum is σ = 100604313282. Its totient is φ = 100604313280.

The previous prime is 100604313253. The next prime is 100604313307. The reversal of 100604313281 is 182313406001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98910250000 + 1694063281 = 314500^2 + 41159^2 .

It is an emirp because it is prime and its reverse (182313406001) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100604313281 is a prime.

It is a super-2 number, since 2×100604313281² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (100604313581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50302156640 + 50302156641.

It is an arithmetic number, because the mean of its divisors is an integer number (50302156641).

Almost surely, 2^100604313281 is an apocalyptic number.

It is an amenable number.

100604313281 is a deficient number, since it is larger than the sum of its proper divisors (1).

100604313281 is an equidigital number, since it uses as much as digits as its factorization.

100604313281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 29.

Adding to 100604313281 its reverse (182313406001), we get a palindrome (282917719282).

The spelling of 100604313281 in words is "one hundred billion, six hundred four million, three hundred thirteen thousand, two hundred eighty-one".