13105171631 has 6 divisors (see below), whose sum is σ = 13131736632. Its totient is φ = 13078660260.

The previous prime is 13105171621. The next prime is 13105171637. The reversal of 13105171631 is 13617150131.

It is a happy number.

It is not a de Polignac number, because 13105171631 - 2⁶ = 13105171567 is a prime.

It is a super-2 number, since 2×13105171631² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13105171594 and 13105171603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13105171637) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 222686 + ... + 275316.

It is an arithmetic number, because the mean of its divisors is an integer number (2188622772).

Almost surely, 2^13105171631 is an apocalyptic number.

13105171631 is a deficient number, since it is larger than the sum of its proper divisors (26565001).

13105171631 is an frugal number, since it uses more digits than its factorization.

13105171631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53629 (or 53130 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 29.

The spelling of 13105171631 in words is "thirteen billion, one hundred five million, one hundred seventy-one thousand, six hundred thirty-one".