5111431 has 4 divisors (see below), whose sum is σ = 5504632. Its totient is φ = 4718232.

The previous prime is 5111423. The next prime is 5111459. The reversal of 5111431 is 1341115.

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 5111431 - 2³ = 5111423 is a prime.

It is a super-2 number, since 2×5111431² = 52253453735522, which contains 22 as substring.

It is a Duffinian number.

5111431 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5111401) 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, 196581 + ... + 196606.

It is an arithmetic number, because the mean of its divisors is an integer number (1376158).

Almost surely, 2^5111431 is an apocalyptic number.

5111431 is a deficient number, since it is larger than the sum of its proper divisors (393201).

5111431 is a wasteful number, since it uses less digits than its factorization.

5111431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393200.

The product of its digits is 60, while the sum is 16.

The square root of 5111431 is about 2260.8474075001. The cubic root of 5111431 is about 172.2585686420.

Adding to 5111431 its reverse (1341115), we get a palindrome (6452546).

The spelling of 5111431 in words is "five million, one hundred eleven thousand, four hundred thirty-one".