212031103013 has 8 divisors (see below), whose sum is σ = 213475046400. Its totient is φ = 210587438800.

The previous prime is 212031102989. The next prime is 212031103057. The reversal of 212031103013 is 310301130212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212031103013 - 2⁸ = 212031102757 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 212031102982 and 212031103000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212031108013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1587788 + ... + 1716138.

It is an arithmetic number, because the mean of its divisors is an integer number (26684380800).

Almost surely, 2^212031103013 is an apocalyptic number.

It is an amenable number.

212031103013 is a deficient number, since it is larger than the sum of its proper divisors (1443943387).

212031103013 is a wasteful number, since it uses less digits than its factorization.

212031103013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139587.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 212031103013 its reverse (310301130212), we get a palindrome (522332233225).

The spelling of 212031103013 in words is "two hundred twelve billion, thirty-one million, one hundred three thousand, thirteen".