2704021831 has 6 divisors (see below), whose sum is σ = 3145494840. Its totient is φ = 2317732956.

The previous prime is 2704021829. The next prime is 2704021843. The reversal of 2704021831 is 1381204072.

It is not a de Polignac number, because 2704021831 - 2¹ = 2704021829 is a prime.

It is a super-2 number, since 2×2704021831² = 14623468125049185122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2704021831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2704021811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27592011 + ... + 27592108.

It is an arithmetic number, because the mean of its divisors is an integer number (524249140).

Almost surely, 2^2704021831 is an apocalyptic number.

2704021831 is a deficient number, since it is larger than the sum of its proper divisors (441473009).

2704021831 is an equidigital number, since it uses as much as digits as its factorization.

2704021831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55184133 (or 55184126 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 2704021831 is about 52000.2099130379. The cubic root of 2704021831 is about 1393.1677028468.

The spelling of 2704021831 in words is "two billion, seven hundred four million, twenty-one thousand, eight hundred thirty-one".