103830981 has 12 divisors (see below), whose sum is σ = 139793472. Its totient is φ = 68551048.

The previous prime is 103830977. The next prime is 103831001. The reversal of 103830981 is 189038301.

It is not a de Polignac number, because 103830981 - 2² = 103830977 is a prime.

It is a super-2 number, since 2×103830981² = 21561745230844722, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103830911) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32836 + ... + 35858.

It is an arithmetic number, because the mean of its divisors is an integer number (11649456).

Almost surely, 2^103830981 is an apocalyptic number.

It is an amenable number.

103830981 is a deficient number, since it is larger than the sum of its proper divisors (35962491).

103830981 is an equidigital number, since it uses as much as digits as its factorization.

103830981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3240 (or 3133 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 103830981 is about 10189.7488192791. The cubic root of 103830981 is about 470.0120428482.

The spelling of 103830981 in words is "one hundred three million, eight hundred thirty thousand, nine hundred eighty-one".