103631143 has 8 divisors (see below), whose sum is σ = 129202560. Its totient is φ = 80751480.

The previous prime is 103631141. The next prime is 103631153. The reversal of 103631143 is 341136301.

It is a happy number.

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 103631143 - 2¹ = 103631141 is a prime.

It is a super-3 number, since 3×103631143³ (a number of 25 digits) contains 333 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 (103631141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 672853 + ... + 673006.

It is an arithmetic number, because the mean of its divisors is an integer number (16150320).

Almost surely, 2^103631143 is an apocalyptic number.

103631143 is a deficient number, since it is larger than the sum of its proper divisors (25571417).

103631143 is a wasteful number, since it uses less digits than its factorization.

103631143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1345877.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 103631143 is about 10179.9382611094. The cubic root of 103631143 is about 469.7103134140.

Adding to 103631143 its reverse (341136301), we get a palindrome (444767444).

The spelling of 103631143 in words is "one hundred three million, six hundred thirty-one thousand, one hundred forty-three".