103313444 has 12 divisors (see below), whose sum is σ = 194706204. Its totient is φ = 47683104.

The previous prime is 103313389. The next prime is 103313453. The reversal of 103313444 is 444313301.

103313444 is an esthetic number in base 3, because in such base its adjacent digits differ by 1.

It can be written as a sum of positive squares in 2 ways, for example, as 23425600 + 79887844 = 4840^2 + 8938^2 .

It is a super-2 number, since 2×103313444² = 21347335422282272, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 993347 + ... + 993450.

It is an arithmetic number, because the mean of its divisors is an integer number (16225517).

Almost surely, 2^103313444 is an apocalyptic number.

It is an amenable number.

103313444 is a deficient number, since it is larger than the sum of its proper divisors (91392760).

103313444 is a wasteful number, since it uses less digits than its factorization.

103313444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1986814 (or 1986812 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 103313444 is about 10164.3221121726. The cubic root of 103313444 is about 469.2298296331.

Adding to 103313444 its reverse (444313301), we get a palindrome (547626745).

The spelling of 103313444 in words is "one hundred three million, three hundred thirteen thousand, four hundred forty-four".