103938731 has 16 divisors (see below), whose sum is σ = 121419648. Its totient is φ = 88089600.

The previous prime is 103938727. The next prime is 103938733. The reversal of 103938731 is 137839301.

It is a cyclic number.

It is not a de Polignac number, because 103938731 - 2² = 103938727 is a prime.

It is a super-2 number, since 2×103938731² = 21606519603780722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103938691 and 103938700.

It is not an unprimeable number, because it can be changed into a prime (103938733) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3326 + ... + 14796.

It is an arithmetic number, because the mean of its divisors is an integer number (7588728).

Almost surely, 2^103938731 is an apocalyptic number.

103938731 is a deficient number, since it is larger than the sum of its proper divisors (17480917).

103938731 is a wasteful number, since it uses less digits than its factorization.

103938731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11542.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 103938731 is about 10195.0346247573. The cubic root of 103938731 is about 470.1745707334.

The spelling of 103938731 in words is "one hundred three million, nine hundred thirty-eight thousand, seven hundred thirty-one".