13531322141 has 4 divisors (see below), whose sum is σ = 13535351484. Its totient is φ = 13527292800.

The previous prime is 13531322111. The next prime is 13531322171. The reversal of 13531322141 is 14122313531.

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

It is an interprime number because it is at equal distance from previous prime (13531322111) and next prime (13531322171).

It can be written as a sum of positive squares in 2 ways, for example, as 9862476100 + 3668846041 = 99310^2 + 60571^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13531322141 is a prime.

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 13531322141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13531322111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2009630 + ... + 2016351.

It is an arithmetic number, because the mean of its divisors is an integer number (3383837871).

Almost surely, 2^13531322141 is an apocalyptic number.

It is an amenable number.

13531322141 is a deficient number, since it is larger than the sum of its proper divisors (4029343).

13531322141 is an equidigital number, since it uses as much as digits as its factorization.

13531322141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4029342.

The product of its digits is 2160, while the sum is 26.

Adding to 13531322141 its reverse (14122313531), we get a palindrome (27653635672).

The spelling of 13531322141 in words is "thirteen billion, five hundred thirty-one million, three hundred twenty-two thousand, one hundred forty-one".