103513349 has 4 divisors (see below), whose sum is σ = 108961440. Its totient is φ = 98065260.

The previous prime is 103513331. The next prime is 103513379. The reversal of 103513349 is 943315301.

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: 943315301 = 71 ⋅13286131.

It is a cyclic number.

It is not a de Polignac number, because 103513349 - 2²⁰ = 102464773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103513379) 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, 2724017 + ... + 2724054.

It is an arithmetic number, because the mean of its divisors is an integer number (27240360).

Almost surely, 2^103513349 is an apocalyptic number.

103513349 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

103513349 is a deficient number, since it is larger than the sum of its proper divisors (5448091).

103513349 is an equidigital number, since it uses as much as digits as its factorization.

103513349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5448090.

The product of its (nonzero) digits is 4860, while the sum is 29.

The square root of 103513349 is about 10174.1510210926. The cubic root of 103513349 is about 469.5322780222.

The spelling of 103513349 in words is "one hundred three million, five hundred thirteen thousand, three hundred forty-nine".