7103381 has 4 divisors (see below), whose sum is σ = 7109772. Its totient is φ = 7096992.

The previous prime is 7103363. The next prime is 7103387. The reversal of 7103381 is 1833017.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 5958481 + 1144900 = 2441^2 + 1070^2 .

It is a cyclic number.

It is not a de Polignac number, because 7103381 - 2¹⁰ = 7102357 is a prime.

It is a super-2 number, since 2×7103381² = 100916043262322, 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 (7103387) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1046 + ... + 3911.

It is an arithmetic number, because the mean of its divisors is an integer number (1777443).

Almost surely, 2^7103381 is an apocalyptic number.

It is an amenable number.

7103381 is a deficient number, since it is larger than the sum of its proper divisors (6391).

7103381 is a wasteful number, since it uses less digits than its factorization.

7103381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6390.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 7103381 is about 2665.2168767288. The cubic root of 7103381 is about 192.2302377601.

Adding to 7103381 its reverse (1833017), we get a palindrome (8936398).

The spelling of 7103381 in words is "seven million, one hundred three thousand, three hundred eighty-one".