2816938931 has 6 divisors (see below), whose sum is σ = 2833390260. Its totient is φ = 2800495716.

The previous prime is 2816938921. The next prime is 2816938933. The reversal of 2816938931 is 1398396182.

It is not a de Polignac number, because 2816938931 - 2¹⁸ = 2816676787 is a prime.

It is a super-2 number, since 2×2816938931² = 15870289881966845522, 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 2816938931.

It is not an unprimeable number, because it can be changed into a prime (2816938933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 708110 + ... + 712076.

It is an arithmetic number, because the mean of its divisors is an integer number (472231710).

Almost surely, 2^2816938931 is an apocalyptic number.

2816938931 is a deficient number, since it is larger than the sum of its proper divisors (16451329).

2816938931 is an frugal number, since it uses more digits than its factorization.

2816938931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8113 (or 4146 counting only the distinct ones).

The product of its digits is 559872, while the sum is 50.

The square root of 2816938931 is about 53074.8427317500. The cubic root of 2816938931 is about 1412.2962652455.

The spelling of 2816938931 in words is "two billion, eight hundred sixteen million, nine hundred thirty-eight thousand, nine hundred thirty-one".