201110031213 has 32 divisors (see below), whose sum is σ = 338946375936. Its totient is φ = 103212983808.

The previous prime is 201110031211. The next prime is 201110031277. The reversal of 201110031213 is 312130011102.

It is a happy number.

It is not a de Polignac number, because 201110031213 - 2¹ = 201110031211 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201110031192 and 201110031201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201110031211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9944856 + ... + 9965057.

It is an arithmetic number, because the mean of its divisors is an integer number (10592074248).

Almost surely, 2^201110031213 is an apocalyptic number.

It is an amenable number.

201110031213 is a deficient number, since it is larger than the sum of its proper divisors (137836344723).

201110031213 is a wasteful number, since it uses less digits than its factorization.

201110031213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19909973.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 201110031213 its reverse (312130011102), we get a palindrome (513240042315).

The spelling of 201110031213 in words is "two hundred one billion, one hundred ten million, thirty-one thousand, two hundred thirteen".