13100631 has 8 divisors (see below), whose sum is σ = 18031104. Its totient is φ = 8451960.

The previous prime is 13100629. The next prime is 13100641. The reversal of 13100631 is 13600131.

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

It is not a de Polignac number, because 13100631 - 2¹ = 13100629 is a prime.

It is a super-2 number, since 2×13100631² = 343253065196322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13100631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13100621) 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, 70341 + ... + 70526.

It is an arithmetic number, because the mean of its divisors is an integer number (2253888).

Almost surely, 2^13100631 is an apocalyptic number.

13100631 is a deficient number, since it is larger than the sum of its proper divisors (4930473).

13100631 is a wasteful number, since it uses less digits than its factorization.

13100631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140901.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 13100631 is about 3619.4793824527. The cubic root of 13100631 is about 235.7386206543.

Adding to 13100631 its reverse (13600131), we get a palindrome (26700762).

Subtracting 13100631 from its reverse (13600131), we obtain a triangular number (499500 = T₉₉₉).

It can be divided in two parts, 13100 and 631, that added together give a palindrome (13731).

The spelling of 13100631 in words is "thirteen million, one hundred thousand, six hundred thirty-one".