2631563113 has 8 divisors (see below), whose sum is σ = 2639315016. Its totient is φ = 2623824000.

The previous prime is 2631563107. The next prime is 2631563141. The reversal of 2631563113 is 3113651362.

It can be written as a sum of positive squares in 4 ways, for example, as 45535504 + 2586027609 = 6748^2 + 50853^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2631563113 - 2¹³ = 2631554921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2631563413) 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 7 ways as a sum of consecutive naturals, for example, 530995 + ... + 535927.

It is an arithmetic number, because the mean of its divisors is an integer number (329914377).

Almost surely, 2^2631563113 is an apocalyptic number.

It is an amenable number.

2631563113 is a deficient number, since it is larger than the sum of its proper divisors (7751903).

2631563113 is an equidigital number, since it uses as much as digits as its factorization.

2631563113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6395.

The product of its digits is 9720, while the sum is 31.

The square root of 2631563113 is about 51298.7632696930. The cubic root of 2631563113 is about 1380.6107904997.

The spelling of 2631563113 in words is "two billion, six hundred thirty-one million, five hundred sixty-three thousand, one hundred thirteen".