103691111 has 4 divisors (see below), whose sum is σ = 103748232. Its totient is φ = 103633992.

The previous prime is 103691101. The next prime is 103691117. The reversal of 103691111 is 111196301.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 103691111 - 2¹⁸ = 103428967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103691117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25745 + ... + 29498.

It is an arithmetic number, because the mean of its divisors is an integer number (25937058).

Almost surely, 2^103691111 is an apocalyptic number.

103691111 is a deficient number, since it is larger than the sum of its proper divisors (57121).

103691111 is an equidigital number, since it uses as much as digits as its factorization.

103691111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57120.

The product of its (nonzero) digits is 162, while the sum is 23.

The square root of 103691111 is about 10182.8832360977. The cubic root of 103691111 is about 469.8008980130.

The spelling of 103691111 in words is "one hundred three million, six hundred ninety-one thousand, one hundred eleven".