13101631 has 2 divisors, whose sum is σ = 13101632. Its totient is φ = 13101630.

The previous prime is 13101629. The next prime is 13101643. The reversal of 13101631 is 13610131.

It is a weak prime.

It is an emirp because it is prime and its reverse (13610131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13101631 - 2¹ = 13101629 is a prime.

It is a super-2 number, since 2×13101631² = 343305469720322, which contains 22 as substring.

Together with 13101629, 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 (13101661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6550815 + 6550816.

It is an arithmetic number, because the mean of its divisors is an integer number (6550816).

Almost surely, 2^13101631 is an apocalyptic number.

13101631 is a deficient number, since it is larger than the sum of its proper divisors (1).

13101631 is an equidigital number, since it uses as much as digits as its factorization.

13101631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 13101631 is about 3619.6175212307. The cubic root of 13101631 is about 235.7446186510.

Adding to 13101631 its reverse (13610131), we get a palindrome (26711762).

The spelling of 13101631 in words is "thirteen million, one hundred one thousand, six hundred thirty-one".