213101002999273 has 2 divisors, whose sum is σ = 213101002999274. Its totient is φ = 213101002999272.

The previous prime is 213101002999259. The next prime is 213101002999289. The reversal of 213101002999273 is 372999200101312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 191998629311449 + 21102373687824 = 13856357^2 + 4593732^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213101002999273 is a prime.

It is not a weakly prime, because it can be changed into another prime (213101002909273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106550501499636 + 106550501499637.

It is an arithmetic number, because the mean of its divisors is an integer number (106550501499637).

Almost surely, 2^{213101002999273} is an apocalyptic number.

It is an amenable number.

213101002999273 is a deficient number, since it is larger than the sum of its proper divisors (1).

213101002999273 is an equidigital number, since it uses as much as digits as its factorization.

213101002999273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 367416, while the sum is 49.

The spelling of 213101002999273 in words is "two hundred thirteen trillion, one hundred one billion, two million, nine hundred ninety-nine thousand, two hundred seventy-three".