103103381 has 16 divisors (see below), whose sum is σ = 108864000. Its totient is φ = 97516608.

The previous prime is 103103333. The next prime is 103103387. The reversal of 103103381 is 183301301.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 103103381 - 2¹⁸ = 102841237 is a prime.

It is a super-2 number, since 2×103103381² = 21260614347262322, which contains 22 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 (103103387) 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, 462236 + ... + 462458.

It is an arithmetic number, because the mean of its divisors is an integer number (6804000).

Almost surely, 2^103103381 is an apocalyptic number.

It is an amenable number.

103103381 is a deficient number, since it is larger than the sum of its proper divisors (5760619).

103103381 is a wasteful number, since it uses less digits than its factorization.

103103381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 103103381 is about 10153.9835040244. The cubic root of 103103381 is about 468.9115919089.

Adding to 103103381 its reverse (183301301), we get a palindrome (286404682).

The spelling of 103103381 in words is "one hundred three million, one hundred three thousand, three hundred eighty-one".