30101405 has 4 divisors (see below), whose sum is σ = 36121692. Its totient is φ = 24081120.

The previous prime is 30101399. The next prime is 30101429. The reversal of 30101405 is 50410103.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14945956 + 15155449 = 3866^2 + 3893^2 .

It is not a de Polignac number, because 30101405 - 2²⁴ = 13324189 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30101405.

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, 3010136 + ... + 3010145.

It is an arithmetic number, because the mean of its divisors is an integer number (9030423).

Almost surely, 2^30101405 is an apocalyptic number.

It is an amenable number.

30101405 is a deficient number, since it is larger than the sum of its proper divisors (6020287).

30101405 is an equidigital number, since it uses as much as digits as its factorization.

30101405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6020286.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 30101405 is about 5486.4747333784. The cubic root of 30101405 is about 311.0729556618.

Adding to 30101405 its reverse (50410103), we get a palindrome (80511508).

The spelling of 30101405 in words is "thirty million, one hundred one thousand, four hundred five".