5111534431 has 4 divisors (see below), whose sum is σ = 5148308200. Its totient is φ = 5074760664.

The previous prime is 5111534377. The next prime is 5111534447. The reversal of 5111534431 is 1344351115.

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

It is a cyclic number.

It is not a de Polignac number, because 5111534431 - 2¹¹ = 5111532383 is a prime.

It is a super-2 number, since 2×5111534431² = 52255568478596987522, which contains 22 as substring.

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 5111534431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5111564431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18386676 + ... + 18386953.

It is an arithmetic number, because the mean of its divisors is an integer number (1287077050).

Almost surely, 2^5111534431 is an apocalyptic number.

5111534431 is a deficient number, since it is larger than the sum of its proper divisors (36773769).

5111534431 is a wasteful number, since it uses less digits than its factorization.

5111534431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36773768.

The product of its digits is 3600, while the sum is 28.

The square root of 5111534431 is about 71494.9958458632. The cubic root of 5111534431 is about 1722.5973053165.

Adding to 5111534431 its reverse (1344351115), we get a palindrome (6455885546).

The spelling of 5111534431 in words is "five billion, one hundred eleven million, five hundred thirty-four thousand, four hundred thirty-one".