13105107631 has 8 divisors (see below), whose sum is σ = 16338835584. Its totient is φ = 10211772120.

The previous prime is 13105107581. The next prime is 13105107637. The reversal of 13105107631 is 13670150131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13105107631 - 2¹⁹ = 13104583343 is a prime.

It is a super-2 number, since 2×13105107631² (a number of 21 digits) 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 13105107631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13105107637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85098025 + ... + 85098178.

It is an arithmetic number, because the mean of its divisors is an integer number (2042354448).

Almost surely, 2^13105107631 is an apocalyptic number.

13105107631 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13105107631 is a deficient number, since it is larger than the sum of its proper divisors (3233727953).

13105107631 is a wasteful number, since it uses less digits than its factorization.

13105107631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170196221.

The product of its (nonzero) digits is 1890, while the sum is 28.

Adding to 13105107631 its reverse (13670150131), we get a palindrome (26775257762).

The spelling of 13105107631 in words is "thirteen billion, one hundred five million, one hundred seven thousand, six hundred thirty-one".