103145211 has 16 divisors (see below), whose sum is σ = 164562720. Its totient is φ = 63473760.

The previous prime is 103145197. The next prime is 103145221. The reversal of 103145211 is 112541301.

It is not a de Polignac number, because 103145211 - 2¹¹ = 103143163 is a prime.

It is not an unprimeable number, because it can be changed into a prime (103145221) 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, 146580 + ... + 147281.

It is an arithmetic number, because the mean of its divisors is an integer number (10285170).

Almost surely, 2^103145211 is an apocalyptic number.

103145211 is a deficient number, since it is larger than the sum of its proper divisors (61417509).

103145211 is a wasteful number, since it uses less digits than its factorization.

103145211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293883 (or 293877 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 103145211 is about 10156.0430778921. The cubic root of 103145211 is about 468.9749972653.

Adding to 103145211 its reverse (112541301), we get a palindrome (215686512).

The spelling of 103145211 in words is "one hundred three million, one hundred forty-five thousand, two hundred eleven".