2631087326 has 16 divisors (see below), whose sum is σ = 4539168096. Its totient is φ = 1120425696.

The previous prime is 2631087317. The next prime is 2631087373. The reversal of 2631087326 is 6237801362.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2631087326.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 596321 + ... + 600716.

It is an arithmetic number, because the mean of its divisors is an integer number (283698006).

Almost surely, 2^2631087326 is an apocalyptic number.

2631087326 is a deficient number, since it is larger than the sum of its proper divisors (1908080770).

2631087326 is a wasteful number, since it uses less digits than its factorization.

2631087326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1197203.

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 2631087326 is about 51294.1256480701. The cubic root of 2631087326 is about 1380.5275806063.

Adding to 2631087326 its reverse (6237801362), we get a palindrome (8868888688).

The spelling of 2631087326 in words is "two billion, six hundred thirty-one million, eighty-seven thousand, three hundred twenty-six".