10731631 has 2 divisors, whose sum is σ = 10731632. Its totient is φ = 10731630.

The previous prime is 10731629. The next prime is 10731661. The reversal of 10731631 is 13613701.

10731631 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (13613701) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10731631 - 2¹ = 10731629 is a prime.

It is a super-2 number, since 2×10731631² = 230335807840322, which contains 22 as substring.

Together with 10731629, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10731601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5365815 + 5365816.

It is an arithmetic number, because the mean of its divisors is an integer number (5365816).

Almost surely, 2^10731631 is an apocalyptic number.

10731631 is a deficient number, since it is larger than the sum of its proper divisors (1).

10731631 is an equidigital number, since it uses as much as digits as its factorization.

10731631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 378, while the sum is 22.

The square root of 10731631 is about 3275.9168182358. The cubic root of 10731631 is about 220.5744696985.

It can be divided in two parts, 1073 and 1631, that added together give a square (2704 = 52²).

The spelling of 10731631 in words is "ten million, seven hundred thirty-one thousand, six hundred thirty-one".