10728031 has 4 divisors (see below), whose sum is σ = 10735200. Its totient is φ = 10720864.

The previous prime is 10728017. The next prime is 10728043. The reversal of 10728031 is 13082701.

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, and also an emirpimes, since its reverse is a distinct semiprime: 13082701 = 379 ⋅34519.

It is a cyclic number.

It is not a de Polignac number, because 10728031 - 2²³ = 2339423 is a prime.

It is a super-2 number, since 2×10728031² = 230181298273922, 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 = 10727993 and 10728011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10728061) 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, 391 + ... + 4648.

It is an arithmetic number, because the mean of its divisors is an integer number (2683800).

Almost surely, 2^10728031 is an apocalyptic number.

10728031 is a deficient number, since it is larger than the sum of its proper divisors (7169).

10728031 is an equidigital number, since it uses as much as digits as its factorization.

10728031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7168.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 10728031 is about 3275.3673076466. The cubic root of 10728031 is about 220.5498025285.

The spelling of 10728031 in words is "ten million, seven hundred twenty-eight thousand, thirty-one".