13612344321631 has 8 divisors (see below), whose sum is σ = 14986067144400. Its totient is φ = 12261327661440.

The previous prime is 13612344321629. The next prime is 13612344321683.

13612344321631 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 13612344321631 - 2¹ = 13612344321629 is a prime.

It is a super-2 number, since 2×13612344321631² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13612344321131) 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, 5676539386 + ... + 5676541783.

It is an arithmetic number, because the mean of its divisors is an integer number (1873258393050).

Almost surely, 2^{13612344321631} is an apocalyptic number.

13612344321631 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13612344321631 is a deficient number, since it is larger than the sum of its proper divisors (1373722822769).

13612344321631 is a wasteful number, since it uses less digits than its factorization.

13612344321631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11353081289.

The product of its digits is 186624, while the sum is 40.

It can be divided in two parts, 1361234 and 4321631, that added together give a palindrome (5682865).

The spelling of 13612344321631 in words is "thirteen trillion, six hundred twelve billion, three hundred forty-four million, three hundred twenty-one thousand, six hundred thirty-one".