211301321013 has 6 divisors (see below), whose sum is σ = 305213019254. Its totient is φ = 140867547336.

The previous prime is 211301320969. The next prime is 211301321017. The reversal of 211301321013 is 310123103112.

It can be written as a sum of positive squares in only one way, i.e., 186989650929 + 24311670084 = 432423^2 + 155922^2 .

It is not a de Polignac number, because 211301321013 - 2¹⁰ = 211301319989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211301321017) 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, 11738962270 + ... + 11738962287.

Almost surely, 2^211301321013 is an apocalyptic number.

It is an amenable number.

211301321013 is a deficient number, since it is larger than the sum of its proper divisors (93911698241).

211301321013 is a wasteful number, since it uses less digits than its factorization.

211301321013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23477924563 (or 23477924560 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 211301321013 its reverse (310123103112), we get a palindrome (521424424125).

The spelling of 211301321013 in words is "two hundred eleven billion, three hundred one million, three hundred twenty-one thousand, thirteen".