30103405 has 4 divisors (see below), whose sum is σ = 36124092. Its totient is φ = 24082720.

The previous prime is 30103399. The next prime is 30103427. The reversal of 30103405 is 50430103.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50430103 = 61 ⋅826723.

It can be written as a sum of positive squares in 2 ways, for example, as 21353641 + 8749764 = 4621^2 + 2958^2 .

It is not a de Polignac number, because 30103405 - 2¹³ = 30095213 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 3010336 + ... + 3010345.

It is an arithmetic number, because the mean of its divisors is an integer number (9031023).

Almost surely, 2^30103405 is an apocalyptic number.

It is an amenable number.

30103405 is a deficient number, since it is larger than the sum of its proper divisors (6020687).

30103405 is an equidigital number, since it uses as much as digits as its factorization.

30103405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6020686.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 30103405 is about 5486.6569967513. The cubic root of 30103405 is about 311.0798449541.

Adding to 30103405 its reverse (50430103), we get a palindrome (80533508).

The spelling of 30103405 in words is "thirty million, one hundred three thousand, four hundred five".