103493831 has 12 divisors (see below), whose sum is σ = 120665808. Its totient is φ = 88506432.

The previous prime is 103493827. The next prime is 103493833. The reversal of 103493831 is 138394301.

It is a happy number.

It is not a de Polignac number, because 103493831 - 2² = 103493827 is a prime.

It is a super-2 number, since 2×103493831² = 21421946110113122, 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 (103493833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21695 + ... + 26031.

It is an arithmetic number, because the mean of its divisors is an integer number (10055484).

Almost surely, 2^103493831 is an apocalyptic number.

103493831 is a deficient number, since it is larger than the sum of its proper divisors (17171977).

103493831 is an equidigital number, since it uses as much as digits as its factorization.

103493831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4838 (or 4831 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 103493831 is about 10173.1917803608. The cubic root of 103493831 is about 469.5027652197.

The spelling of 103493831 in words is "one hundred three million, four hundred ninety-three thousand, eight hundred thirty-one".