10305430133 has 4 divisors (see below), whose sum is σ = 10305704640. Its totient is φ = 10305155628.

The previous prime is 10305430129. The next prime is 10305430139. The reversal of 10305430133 is 33103450301.

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.

It is a cyclic number.

It is not a de Polignac number, because 10305430133 - 2² = 10305430129 is a prime.

It is a super-2 number, since 2×10305430133² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10305430099 and 10305430108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10305430139) 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, 69935 + ... + 159692.

It is an arithmetic number, because the mean of its divisors is an integer number (2576426160).

Almost surely, 2^10305430133 is an apocalyptic number.

It is an amenable number.

10305430133 is a deficient number, since it is larger than the sum of its proper divisors (274507).

10305430133 is an equidigital number, since it uses as much as digits as its factorization.

10305430133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274506.

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

Adding to 10305430133 its reverse (33103450301), we get a palindrome (43408880434).

The spelling of 10305430133 in words is "ten billion, three hundred five million, four hundred thirty thousand, one hundred thirty-three".