103231911 has 4 divisors (see below), whose sum is σ = 137642552. Its totient is φ = 68821272.

The previous prime is 103231903. The next prime is 103231913. The reversal of 103231911 is 119132301.

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

It is not a de Polignac number, because 103231911 - 2³ = 103231903 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 (103231913) 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, 17205316 + ... + 17205321.

It is an arithmetic number, because the mean of its divisors is an integer number (34410638).

Almost surely, 2^103231911 is an apocalyptic number.

103231911 is a deficient number, since it is larger than the sum of its proper divisors (34410641).

103231911 is an equidigital number, since it uses as much as digits as its factorization.

103231911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34410640.

The product of its (nonzero) digits is 162, while the sum is 21.

The square root of 103231911 is about 10160.3105759617. The cubic root of 103231911 is about 469.1063614031.

The spelling of 103231911 in words is "one hundred three million, two hundred thirty-one thousand, nine hundred eleven".