2813872431 has 8 divisors (see below), whose sum is σ = 3949294720. Its totient is φ = 1777182552.

The previous prime is 2813872429. The next prime is 2813872433. The reversal of 2813872431 is 1342783182.

It is an interprime number because it is at equal distance from previous prime (2813872429) and next prime (2813872433).

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

It is not a de Polignac number, because 2813872431 - 2¹ = 2813872429 is a prime.

It is a super-4 number, since 4×2813872431⁴ (a number of 39 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

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 2813872431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2813872433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24683035 + ... + 24683148.

It is an arithmetic number, because the mean of its divisors is an integer number (493661840).

Almost surely, 2^2813872431 is an apocalyptic number.

2813872431 is a deficient number, since it is larger than the sum of its proper divisors (1135422289).

2813872431 is a wasteful number, since it uses less digits than its factorization.

2813872431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49366205.

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

The square root of 2813872431 is about 53045.9464144057. The cubic root of 2813872431 is about 1411.7836072327.

The spelling of 2813872431 in words is "two billion, eight hundred thirteen million, eight hundred seventy-two thousand, four hundred thirty-one".