108431011 has 4 divisors (see below), whose sum is σ = 116771872. Its totient is φ = 100090152.

The previous prime is 108431009. The next prime is 108431047. The reversal of 108431011 is 110134801.

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 108431011 - 2¹ = 108431009 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 108431011.

It is not an unprimeable number, because it can be changed into a prime (108431051) 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, 4170411 + ... + 4170436.

It is an arithmetic number, because the mean of its divisors is an integer number (29192968).

Almost surely, 2^108431011 is an apocalyptic number.

108431011 is a deficient number, since it is larger than the sum of its proper divisors (8340861).

108431011 is an equidigital number, since it uses as much as digits as its factorization.

108431011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8340860.

The product of its (nonzero) digits is 96, while the sum is 19.

The square root of 108431011 is about 10413.0212234490. The cubic root of 108431011 is about 476.8529814850.

Adding to 108431011 its reverse (110134801), we get a palindrome (218565812).

The spelling of 108431011 in words is "one hundred eight million, four hundred thirty-one thousand, eleven".