103667731 has 4 divisors (see below), whose sum is σ = 105367264. Its totient is φ = 101968200.

The previous prime is 103667719. The next prime is 103667737. The reversal of 103667731 is 137766301.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 137766301 = 173 ⋅796337.

It is a cyclic number.

It is not a de Polignac number, because 103667731 - 2⁹ = 103667219 is a prime.

It is a super-3 number, since 3×103667731³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103667737) 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 3 ways as a sum of consecutive naturals, for example, 849675 + ... + 849796.

It is an arithmetic number, because the mean of its divisors is an integer number (26341816).

Almost surely, 2^103667731 is an apocalyptic number.

103667731 is a deficient number, since it is larger than the sum of its proper divisors (1699533).

103667731 is an equidigital number, since it uses as much as digits as its factorization.

103667731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1699532.

The product of its (nonzero) digits is 15876, while the sum is 34.

The square root of 103667731 is about 10181.7351664635. The cubic root of 103667731 is about 469.7655855337.

The spelling of 103667731 in words is "one hundred three million, six hundred sixty-seven thousand, seven hundred thirty-one".