2631316 has 12 divisors (see below), whose sum is σ = 4619188. Its totient is φ = 1311552.

The previous prime is 2631283. The next prime is 2631323. The reversal of 2631316 is 6131362.

It can be written as a sum of positive squares in 2 ways, for example, as 1299600 + 1331716 = 1140^2 + 1154^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 760 + ... + 2416.

2^2631316 is an apocalyptic number.

It is an amenable number.

2631316 is a deficient number, since it is larger than the sum of its proper divisors (1987872).

2631316 is a wasteful number, since it uses less digits than its factorization.

2631316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2058 (or 2056 counting only the distinct ones).

The product of its digits is 648, while the sum is 22.

The square root of 2631316 is about 1622.1331634610. The cubic root of 2631316 is about 138.0567574416.

Adding to 2631316 its reverse (6131362), we get a palindrome (8762678).

The spelling of 2631316 in words is "two million, six hundred thirty-one thousand, three hundred sixteen".