211345435301013 has 24 divisors (see below), whose sum is σ = 332148839918168. Its totient is φ = 128717917765632.

The previous prime is 211345435300963. The next prime is 211345435301023. The reversal of 211345435301013 is 310103534543112.

211345435301013 is a `hidden beast` number, since 2 + 1 + 1 + 3 + 4 + 543 + 5 + 3 + 0 + 101 + 3 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 28788397092324 + 182557038208689 = 5365482^2 + 13511367^2 .

It is not a de Polignac number, because 211345435301013 - 2⁸ = 211345435300757 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211345435301023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9311180620 + ... + 9311203317.

Almost surely, 2^{211345435301013} is an apocalyptic number.

It is an amenable number.

211345435301013 is a deficient number, since it is larger than the sum of its proper divisors (120803404617155).

211345435301013 is a wasteful number, since it uses less digits than its factorization.

211345435301013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18622384053 (or 18622384050 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

Adding to 211345435301013 its reverse (310103534543112), we get a palindrome (521448969844125).

The spelling of 211345435301013 in words is "two hundred eleven trillion, three hundred forty-five billion, four hundred thirty-five million, three hundred one thousand, thirteen".