21233347202313 has 6 divisors (see below), whose sum is σ = 30670390403354. Its totient is φ = 14155564801536.

The previous prime is 21233347202299. The next prime is 21233347202363. The reversal of 21233347202313 is 31320274333212.

21233347202313 is a `hidden beast` number, since 2 + 1 + 2 + 3 + 334 + 7 + 2 + 0 + 2 + 313 = 666.

It can be written as a sum of positive squares in only one way, i.e., 15237249794064 + 5996097408249 = 3903492^2 + 2448693^2 .

It is not a de Polignac number, because 21233347202313 - 2⁸ = 21233347202057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21233347202363) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1179630400120 + ... + 1179630400137.

Almost surely, 2^{21233347202313} is an apocalyptic number.

It is an amenable number.

21233347202313 is a deficient number, since it is larger than the sum of its proper divisors (9437043201041).

21233347202313 is a wasteful number, since it uses less digits than its factorization.

21233347202313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2359260800263 (or 2359260800260 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 36.

The spelling of 21233347202313 in words is "twenty-one trillion, two hundred thirty-three billion, three hundred forty-seven million, two hundred two thousand, three hundred thirteen".