103655631 has 8 divisors (see below), whose sum is σ = 138354304. Its totient is φ = 69030360.

The previous prime is 103655609. The next prime is 103655677. The reversal of 103655631 is 136556301.

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

It is not a de Polignac number, because 103655631 - 2⁹ = 103655119 is a prime.

It is a super-2 number, since 2×103655631² = 21488979676016322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103665631) 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, 14965 + ... + 20766.

It is an arithmetic number, because the mean of its divisors is an integer number (17294288).

Almost surely, 2^103655631 is an apocalyptic number.

103655631 is a deficient number, since it is larger than the sum of its proper divisors (34698673).

103655631 is an equidigital number, since it uses as much as digits as its factorization.

103655631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36701.

The product of its (nonzero) digits is 8100, while the sum is 30.

The square root of 103655631 is about 10181.1409478506. The cubic root of 103655631 is about 469.7473079569.

The spelling of 103655631 in words is "one hundred three million, six hundred fifty-five thousand, six hundred thirty-one".