2831871172 has 24 divisors (see below), whose sum is σ = 5370997016. Its totient is φ = 1298688768.

The previous prime is 2831871149. The next prime is 2831871179. The reversal of 2831871172 is 2711781382.

It can be written as a sum of positive squares in 4 ways, for example, as 433222596 + 2398648576 = 20814^2 + 48976^2 .

It is not an unprimeable number, because it can be changed into a prime (2831871179) 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, 165273 + ... + 181600.

Almost surely, 2^2831871172 is an apocalyptic number.

It is an amenable number.

2831871172 is a deficient number, since it is larger than the sum of its proper divisors (2539125844).

2831871172 is a wasteful number, since it uses less digits than its factorization.

2831871172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347047 (or 347045 counting only the distinct ones).

The product of its digits is 37632, while the sum is 40.

The square root of 2831871172 is about 53215.3283556533. The cubic root of 2831871172 is about 1414.7873374251.

The spelling of 2831871172 in words is "two billion, eight hundred thirty-one million, eight hundred seventy-one thousand, one hundred seventy-two".