13610401631 has 4 divisors (see below), whose sum is σ = 13645390200. Its totient is φ = 13575413064.

The previous prime is 13610401619. The next prime is 13610401661.

13610401631 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13610401631 - 2¹⁰ = 13610400607 is a prime.

It is a super-2 number, since 2×13610401631² (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 13610401631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13610401661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17493701 + ... + 17494478.

It is an arithmetic number, because the mean of its divisors is an integer number (3411347550).

Almost surely, 2^13610401631 is an apocalyptic number.

13610401631 is a deficient number, since it is larger than the sum of its proper divisors (34988569).

13610401631 is an equidigital number, since it uses as much as digits as its factorization.

13610401631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34988568.

The product of its (nonzero) digits is 1296, while the sum is 26.

The spelling of 13610401631 in words is "thirteen billion, six hundred ten million, four hundred one thousand, six hundred thirty-one".