5731031 has 4 divisors (see below), whose sum is σ = 5736072. Its totient is φ = 5725992.

The previous prime is 5731013. The next prime is 5731079. The reversal of 5731031 is 1301375.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 5731031 - 2¹⁰ = 5730007 is a prime.

It is a super-2 number, since 2×5731031² = 65689432645922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5730994 and 5731012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5731081) 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, 80 + ... + 3386.

It is an arithmetic number, because the mean of its divisors is an integer number (1434018).

Almost surely, 2^5731031 is an apocalyptic number.

5731031 is a deficient number, since it is larger than the sum of its proper divisors (5041).

5731031 is a wasteful number, since it uses less digits than its factorization.

5731031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5040.

The product of its (nonzero) digits is 315, while the sum is 20.

The square root of 5731031 is about 2393.9571842454. The cubic root of 5731031 is about 178.9551711965.

The spelling of 5731031 in words is "five million, seven hundred thirty-one thousand, thirty-one".