5113432321 has 4 divisors (see below), whose sum is σ = 5117157972. Its totient is φ = 5109706672.

The previous prime is 5113432253. The next prime is 5113432417. The reversal of 5113432321 is 1232343115.

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: 1232343115 = 5 ⋅246468623.

It can be written as a sum of positive squares in 2 ways, for example, as 4756033296 + 357399025 = 68964^2 + 18905^2 .

It is a cyclic number.

It is not a de Polignac number, because 5113432321 - 2¹⁹ = 5112908033 is a prime.

It is a super-2 number, since 2×5113432321² = 52294380202894894082, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5113433321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1860766 + ... + 1863511.

It is an arithmetic number, because the mean of its divisors is an integer number (1279289493).

Almost surely, 2^5113432321 is an apocalyptic number.

It is an amenable number.

5113432321 is a deficient number, since it is larger than the sum of its proper divisors (3725651).

5113432321 is a wasteful number, since it uses less digits than its factorization.

5113432321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3725650.

The product of its digits is 2160, while the sum is 25.

The square root of 5113432321 is about 71508.2675010379. The cubic root of 5113432321 is about 1722.8104765082.

Adding to 5113432321 its reverse (1232343115), we get a palindrome (6345775436).

The spelling of 5113432321 in words is "five billion, one hundred thirteen million, four hundred thirty-two thousand, three hundred twenty-one".