211210131013 has 12 divisors (see below), whose sum is σ = 245702611980. Its totient is φ = 181030480512.

The previous prime is 211210130987. The next prime is 211210131031. The reversal of 211210131013 is 310131012112.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 123944835364 + 87265295649 = 352058^2 + 295407^2 .

It is a de Polignac number, because none of the positive numbers 2^k-211210131013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211210141013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1592895 + ... + 1720387.

It is an arithmetic number, because the mean of its divisors is an integer number (20475217665).

Almost surely, 2^211210131013 is an apocalyptic number.

It is an amenable number.

211210131013 is a deficient number, since it is larger than the sum of its proper divisors (34492480967).

211210131013 is a wasteful number, since it uses less digits than its factorization.

211210131013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161316 (or 161309 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 211210131013 its reverse (310131012112), we get a palindrome (521341143125).

The spelling of 211210131013 in words is "two hundred eleven billion, two hundred ten million, one hundred thirty-one thousand, thirteen".