2728826031 has 4 divisors (see below), whose sum is σ = 3638434712. Its totient is φ = 1819217352.

The previous prime is 2728826017. The next prime is 2728826083. The reversal of 2728826031 is 1306288272.

2728826031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2728826031 - 2⁷ = 2728825903 is a prime.

It is a super-2 number, since 2×2728826031² = 14892983014926425922, 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 (2728826131) 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, 454804336 + ... + 454804341.

It is an arithmetic number, because the mean of its divisors is an integer number (909608678).

Almost surely, 2^2728826031 is an apocalyptic number.

2728826031 is a deficient number, since it is larger than the sum of its proper divisors (909608681).

2728826031 is an equidigital number, since it uses as much as digits as its factorization.

2728826031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909608680.

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 2728826031 is about 52238.1664207311. The cubic root of 2728826031 is about 1397.4146215507.

The spelling of 2728826031 in words is "two billion, seven hundred twenty-eight million, eight hundred twenty-six thousand, thirty-one".