211031101101013 has 16 divisors (see below), whose sum is σ = 212863428417024. Its totient is φ = 209206679592960.

The previous prime is 211031101101011. The next prime is 211031101101017. The reversal of 211031101101013 is 310101101130112.

It is a cyclic number.

It is not a de Polignac number, because 211031101101013 - 2¹ = 211031101101011 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 (211031101101011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2480137756 + ... + 2480222842.

It is an arithmetic number, because the mean of its divisors is an integer number (13303964276064).

Almost surely, 2^{211031101101013} is an apocalyptic number.

It is an amenable number.

211031101101013 is a deficient number, since it is larger than the sum of its proper divisors (1832327316011).

211031101101013 is a wasteful number, since it uses less digits than its factorization.

211031101101013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131292.

The product of its (nonzero) digits is 18, while the sum is 16.

Adding to 211031101101013 its reverse (310101101130112), we get a palindrome (521132202231125).

The spelling of 211031101101013 in words is "two hundred eleven trillion, thirty-one billion, one hundred one million, one hundred one thousand, thirteen".