6631103 has 8 divisors (see below), whose sum is σ = 6845472. Its totient is φ = 6418656.

The previous prime is 6631081. The next prime is 6631109. The reversal of 6631103 is 3011366.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6631103 - 2⁶ = 6631039 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 (6631109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9926 + ... + 10572.

It is an arithmetic number, because the mean of its divisors is an integer number (855684).

Almost surely, 2^6631103 is an apocalyptic number.

6631103 is a deficient number, since it is larger than the sum of its proper divisors (214369).

6631103 is a wasteful number, since it uses less digits than its factorization.

6631103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 961.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 6631103 is about 2575.0928138613. The cubic root of 6631103 is about 187.8719419906.

Adding to 6631103 its reverse (3011366), we get a palindrome (9642469).

The spelling of 6631103 in words is "six million, six hundred thirty-one thousand, one hundred three".