212013031103 has 2 divisors, whose sum is σ = 212013031104. Its totient is φ = 212013031102.

The previous prime is 212013031093. The next prime is 212013031123. The reversal of 212013031103 is 301130310212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212013031103 - 2²⁰ = 212011982527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212013031123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106006515551 + 106006515552.

It is an arithmetic number, because the mean of its divisors is an integer number (106006515552).

Almost surely, 2^212013031103 is an apocalyptic number.

212013031103 is a deficient number, since it is larger than the sum of its proper divisors (1).

212013031103 is an equidigital number, since it uses as much as digits as its factorization.

212013031103 is an evil number, because the sum of its binary digits is even.

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

Adding to 212013031103 its reverse (301130310212), we get a palindrome (513143341315).

The spelling of 212013031103 in words is "two hundred twelve billion, thirteen million, thirty-one thousand, one hundred three".