103038381 has 6 divisors (see below), whose sum is σ = 148833230. Its totient is φ = 68692248.

The previous prime is 103038379. The next prime is 103038391. The reversal of 103038381 is 183830301.

It can be written as a sum of positive squares in only one way, i.e., 102212100 + 826281 = 10110^2 + 909^2 .

It is not a de Polignac number, because 103038381 - 2¹ = 103038379 is a prime.

It is a super-2 number, since 2×103038381² = 21233815918202322, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103038301) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5724346 + ... + 5724363.

Almost surely, 2^103038381 is an apocalyptic number.

It is an amenable number.

103038381 is a deficient number, since it is larger than the sum of its proper divisors (45794849).

103038381 is a wasteful number, since it uses less digits than its factorization.

103038381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11448715 (or 11448712 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 103038381 is about 10150.7822851246. The cubic root of 103038381 is about 468.8130317372.

Adding to 103038381 its reverse (183830301), we get a palindrome (286868682).

The spelling of 103038381 in words is "one hundred three million, thirty-eight thousand, three hundred eighty-one".