31641444414613 has 16 divisors (see below), whose sum is σ = 34790743342080. Its totient is φ = 28537730348400.

The previous prime is 31641444414571. The next prime is 31641444414649.

It is a happy number.

31641444414613 is nontrivially palindromic in base 10.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31641444414613 is a prime.

It is a super-3 number, since 3×31641444414613³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31641444424613) 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 15 ways as a sum of consecutive naturals, for example, 2451556 + ... + 8324242.

It is an arithmetic number, because the mean of its divisors is an integer number (2174421458880).

Almost surely, 2^{31641444414613} is an apocalyptic number.

It is an amenable number.

31641444414613 is a deficient number, since it is larger than the sum of its proper divisors (3149298927467).

31641444414613 is a wasteful number, since it uses less digits than its factorization.

31641444414613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5876568.

The product of its digits is 1327104, while the sum is 46.

It can be divided in two parts, 3164144 and 4414613, that added together give a palindrome (7578757).

The spelling of 31641444414613 in words is "thirty-one trillion, six hundred forty-one billion, four hundred forty-four million, four hundred fourteen thousand, six hundred thirteen".