5128031 has 8 divisors (see below), whose sum is σ = 5239200. Its totient is φ = 5018112.

The previous prime is 5128027. The next prime is 5128037. The reversal of 5128031 is 1308215.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5128031 - 2² = 5128027 is a prime.

It is a super-2 number, since 2×5128031² = 52593403873922, 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 = 5127994 and 5128012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5128037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14351 + ... + 14703.

It is an arithmetic number, because the mean of its divisors is an integer number (654900).

Almost surely, 2^5128031 is an apocalyptic number.

5128031 is a deficient number, since it is larger than the sum of its proper divisors (111169).

5128031 is a wasteful number, since it uses less digits than its factorization.

5128031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 5128031 is about 2264.5156214961. The cubic root of 5128031 is about 172.4448440898. Note that the first 3 decimals are identical.

It can be divided in two parts, 51 and 28031, that added together give a palindrome (28082).

The spelling of 5128031 in words is "five million, one hundred twenty-eight thousand, thirty-one".