5231831 has 4 divisors (see below), whose sum is σ = 5707464. Its totient is φ = 4756200.

The previous prime is 5231827. The next prime is 5231843. The reversal of 5231831 is 1381325.

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 5231831 - 2² = 5231827 is a prime.

It is a super-2 number, since 2×5231831² = 54744111225122, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 5231797 and 5231806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5231881) 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, 237800 + ... + 237821.

It is an arithmetic number, because the mean of its divisors is an integer number (1426866).

Almost surely, 2^5231831 is an apocalyptic number.

5231831 is a deficient number, since it is larger than the sum of its proper divisors (475633).

5231831 is a wasteful number, since it uses less digits than its factorization.

5231831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475632.

The product of its digits is 720, while the sum is 23.

The square root of 5231831 is about 2287.3196103737. The cubic root of 5231831 is about 173.6006055002.

The spelling of 5231831 in words is "five million, two hundred thirty-one thousand, eight hundred thirty-one".