103211113 has 2 divisors, whose sum is σ = 103211114. Its totient is φ = 103211112.

The previous prime is 103211089. The next prime is 103211117. The reversal of 103211113 is 311112301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 95883264 + 7327849 = 9792^2 + 2707^2 .

It is a cyclic number.

It is not a de Polignac number, because 103211113 - 2¹³ = 103202921 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 103211093 and 103211102.

It is not a weakly prime, because it can be changed into another prime (103211117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51605556 + 51605557.

It is an arithmetic number, because the mean of its divisors is an integer number (51605557).

Almost surely, 2^103211113 is an apocalyptic number.

It is an amenable number.

103211113 is a deficient number, since it is larger than the sum of its proper divisors (1).

103211113 is an equidigital number, since it uses as much as digits as its factorization.

103211113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 103211113 is about 10159.2870320707. The cubic root of 103211113 is about 469.0748558693.

Adding to 103211113 its reverse (311112301), we get a palindrome (414323414).

It can be divided in two parts, 10 and 3211113, that added together give a palindrome (3211123).

The spelling of 103211113 in words is "one hundred three million, two hundred eleven thousand, one hundred thirteen".