30144413 has 4 divisors (see below), whose sum is σ = 32463228. Its totient is φ = 27825600.

The previous prime is 30144407. The next prime is 30144449. The reversal of 30144413 is 31444103.

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: 31444103 = 137 ⋅229519.

It can be written as a sum of positive squares in 2 ways, for example, as 9012004 + 21132409 = 3002^2 + 4597^2 .

It is a cyclic number.

It is not a de Polignac number, because 30144413 - 2¹⁰ = 30143389 is a prime.

It is a super-2 number, since 2×30144413² = 1817371270229138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30144403) 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, 1159388 + ... + 1159413.

It is an arithmetic number, because the mean of its divisors is an integer number (8115807).

Almost surely, 2^30144413 is an apocalyptic number.

It is an amenable number.

30144413 is a deficient number, since it is larger than the sum of its proper divisors (2318815).

30144413 is a wasteful number, since it uses less digits than its factorization.

30144413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2318814.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 30144413 is about 5490.3927910487. The cubic root of 30144413 is about 311.2210357826.

Adding to 30144413 its reverse (31444103), we get a palindrome (61588516).

The spelling of 30144413 in words is "thirty million, one hundred forty-four thousand, four hundred thirteen".