14731631 has 4 divisors (see below), whose sum is σ = 15507000. Its totient is φ = 13956264.

The previous prime is 14731609. The next prime is 14731643. The reversal of 14731631 is 13613741.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 14731631 - 2⁶ = 14731567 is a prime.

It is a super-2 number, since 2×14731631² = 434041903840322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14731631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14731331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 387656 + ... + 387693.

It is an arithmetic number, because the mean of its divisors is an integer number (3876750).

Almost surely, 2^14731631 is an apocalyptic number.

14731631 is a deficient number, since it is larger than the sum of its proper divisors (775369).

14731631 is an equidigital number, since it uses as much as digits as its factorization.

14731631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 775368.

The product of its digits is 1512, while the sum is 26.

The square root of 14731631 is about 3838.1806888160. The cubic root of 14731631 is about 245.1415591753.

The spelling of 14731631 in words is "fourteen million, seven hundred thirty-one thousand, six hundred thirty-one".