13630031 has 2 divisors, whose sum is σ = 13630032. Its totient is φ = 13630030.

The previous prime is 13630009. The next prime is 13630033. The reversal of 13630031 is 13003631.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13630031 - 2¹⁴ = 13613647 is a prime.

It is a super-2 number, since 2×13630031² = 371555490121922, which contains 22 as substring.

Together with 13630033, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 13629991 and 13630009.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13630033) 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, 6815015 + 6815016.

It is an arithmetic number, because the mean of its divisors is an integer number (6815016).

Almost surely, 2^13630031 is an apocalyptic number.

13630031 is a deficient number, since it is larger than the sum of its proper divisors (1).

13630031 is an equidigital number, since it uses as much as digits as its factorization.

13630031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 13630031 is about 3691.8871867921. The cubic root of 13630031 is about 238.8722028207.

Adding to 13630031 its reverse (13003631), we get a palindrome (26633662).

The spelling of 13630031 in words is "thirteen million, six hundred thirty thousand, thirty-one".