105313403 has 4 divisors (see below), whose sum is σ = 113414448. Its totient is φ = 97212360.

The previous prime is 105313393. The next prime is 105313421. The reversal of 105313403 is 304313501.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 304313501 = 29 ⋅10493569.

It is a cyclic number.

It is not a de Polignac number, because 105313403 - 2⁶ = 105313339 is a prime.

It is a super-2 number, since 2×105313403² = 22181825702880818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105316403) 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, 4050503 + ... + 4050528.

It is an arithmetic number, because the mean of its divisors is an integer number (28353612).

Almost surely, 2^105313403 is an apocalyptic number.

105313403 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

105313403 is a deficient number, since it is larger than the sum of its proper divisors (8101045).

105313403 is an equidigital number, since it uses as much as digits as its factorization.

105313403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8101044.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 105313403 is about 10262.2318722586. The cubic root of 105313403 is about 472.2383094086.

Adding to 105313403 its reverse (304313501), we get a palindrome (409626904).

The spelling of 105313403 in words is "one hundred five million, three hundred thirteen thousand, four hundred three".