103513433 has 4 divisors (see below), whose sum is σ = 106852608. Its totient is φ = 100174260.

The previous prime is 103513379. The next prime is 103513471. The reversal of 103513433 is 334315301.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 334315301 = 4789 ⋅69809.

It is a cyclic number.

It is not a de Polignac number, because 103513433 - 2⁸ = 103513177 is a prime.

It is a super-2 number, since 2×103513433² = 21430061622890978, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103513399 and 103513408.

It is not an unprimeable number, because it can be changed into a prime (103513483) 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, 1669541 + ... + 1669602.

It is an arithmetic number, because the mean of its divisors is an integer number (26713152).

Almost surely, 2^103513433 is an apocalyptic number.

It is an amenable number.

103513433 is a deficient number, since it is larger than the sum of its proper divisors (3339175).

103513433 is an equidigital number, since it uses as much as digits as its factorization.

103513433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3339174.

The product of its (nonzero) digits is 1620, while the sum is 23.

The square root of 103513433 is about 10174.1551492004. The cubic root of 103513433 is about 469.5324050290.

Adding to 103513433 its reverse (334315301), we get a palindrome (437828734).

The spelling of 103513433 in words is "one hundred three million, five hundred thirteen thousand, four hundred thirty-three".