4505113431 has 128 divisors (see below), whose sum is σ = 8870400000. Its totient is φ = 2193827328.

The previous prime is 4505113423. The next prime is 4505113469. The reversal of 4505113431 is 1343115054.

It is a happy number.

4505113431 is a `hidden beast` number, since 4 + 505 + 113 + 43 + 1 = 666.

It is not a de Polignac number, because 4505113431 - 2³ = 4505113423 is a prime.

It is a super-2 number, since 2×4505113431² = 40592094052353183522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 4505113395 and 4505113404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4505111431) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1637445 + ... + 1640193.

It is an arithmetic number, because the mean of its divisors is an integer number (69300000).

Almost surely, 2^4505113431 is an apocalyptic number.

4505113431 is a deficient number, since it is larger than the sum of its proper divisors (4365286569).

4505113431 is a wasteful number, since it uses less digits than its factorization.

4505113431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2830 (or 2824 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 4505113431 is about 67120.1417683247. The cubic root of 4505113431 is about 1651.5887276297.

Adding to 4505113431 its reverse (1343115054), we get a palindrome (5848228485).

The spelling of 4505113431 in words is "four billion, five hundred five million, one hundred thirteen thousand, four hundred thirty-one".