10681631 has 2 divisors, whose sum is σ = 10681632. Its totient is φ = 10681630.

The previous prime is 10681621. The next prime is 10681633. The reversal of 10681631 is 13618601.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10681631 is a prime.

It is a super-2 number, since 2×10681631² = 228194481640322, which contains 22 as substring.

Together with 10681633, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10681631.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10681633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5340815 + 5340816.

It is an arithmetic number, because the mean of its divisors is an integer number (5340816).

Almost surely, 2^10681631 is an apocalyptic number.

10681631 is a deficient number, since it is larger than the sum of its proper divisors (1).

10681631 is an equidigital number, since it uses as much as digits as its factorization.

10681631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 10681631 is about 3268.2764570948. The cubic root of 10681631 is about 220.2313750338.

The spelling of 10681631 in words is "ten million, six hundred eighty-one thousand, six hundred thirty-one".