103331631 has 8 divisors (see below), whose sum is σ = 148373680. Its totient is φ = 63588672.

The previous prime is 103331563. The next prime is 103331647. The reversal of 103331631 is 136133301.

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

It is not a de Polignac number, because 103331631 - 2⁹ = 103331119 is a prime.

It is a super-2 number, since 2×103331631² = 21354851930240322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 103331598 and 103331607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103331651) 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, 1324726 + ... + 1324803.

It is an arithmetic number, because the mean of its divisors is an integer number (18546710).

Almost surely, 2^103331631 is an apocalyptic number.

103331631 is a deficient number, since it is larger than the sum of its proper divisors (45042049).

103331631 is a wasteful number, since it uses less digits than its factorization.

103331631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2649545.

The product of its (nonzero) digits is 486, while the sum is 21.

The square root of 103331631 is about 10165.2167217428. The cubic root of 103331631 is about 469.2573619718.

Adding to 103331631 its reverse (136133301), we get a palindrome (239464932).

The spelling of 103331631 in words is "one hundred three million, three hundred thirty-one thousand, six hundred thirty-one".