5131431 has 14 divisors (see below), whose sum is σ = 7694720. Its totient is φ = 3420468.

The previous prime is 5131421. The next prime is 5131439. The reversal of 5131431 is 1341315.

5131431 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5131431 - 2⁶ = 5131367 is a prime.

It is a super-2 number, since 2×5131431² = 52663168215522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5131439) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 2791 + ... + 4248.

Almost surely, 2^5131431 is an apocalyptic number.

5131431 is a deficient number, since it is larger than the sum of its proper divisors (2563289).

5131431 is an frugal number, since it uses more digits than its factorization.

5131431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7057 (or 7042 counting only the distinct ones).

The product of its digits is 180, while the sum is 18.

The square root of 5131431 is about 2265.2662095215. The cubic root of 5131431 is about 172.4829472746.

Adding to 5131431 its reverse (1341315), we get a palindrome (6472746).

The spelling of 5131431 in words is "five million, one hundred thirty-one thousand, four hundred thirty-one".