11320650631 has 2 divisors, whose sum is σ = 11320650632. Its totient is φ = 11320650630.

The previous prime is 11320650613. The next prime is 11320650667. The reversal of 11320650631 is 13605602311.

11320650631 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (11320650613) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11320650631 - 2¹⁵ = 11320617863 is a prime.

It is a super-2 number, since 2×11320650631² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11320650631.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11320650431) 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 as a sum of consecutive naturals, namely, 5660325315 + 5660325316.

It is an arithmetic number, because the mean of its divisors is an integer number (5660325316).

Almost surely, 2^11320650631 is an apocalyptic number.

11320650631 is a deficient number, since it is larger than the sum of its proper divisors (1).

11320650631 is an equidigital number, since it uses as much as digits as its factorization.

11320650631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 28.

The spelling of 11320650631 in words is "eleven billion, three hundred twenty million, six hundred fifty thousand, six hundred thirty-one".