103405211 has 16 divisors (see below), whose sum is σ = 127528128. Its totient is φ = 81648000.

The previous prime is 103405207. The next prime is 103405219. The reversal of 103405211 is 112504301.

It is not a de Polignac number, because 103405211 - 2² = 103405207 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 103405211.

It is not an unprimeable number, because it can be changed into a prime (103405219) 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, 62981 + ... + 64601.

It is an arithmetic number, because the mean of its divisors is an integer number (7970508).

Almost surely, 2^103405211 is an apocalyptic number.

103405211 is a deficient number, since it is larger than the sum of its proper divisors (24122917).

103405211 is a wasteful number, since it uses less digits than its factorization.

103405211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2342.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 103405211 is about 10168.8352823713. The cubic root of 103405211 is about 469.3687178851.

Adding to 103405211 its reverse (112504301), we get a palindrome (215909512).

It can be divided in two parts, 10340 and 5211, that added together give a palindrome (15551).

The spelling of 103405211 in words is "one hundred three million, four hundred five thousand, two hundred eleven".