13161312050 has 24 divisors (see below), whose sum is σ = 24483512196. Its totient is φ = 5263778240.

The previous prime is 13161312029. The next prime is 13161312053. The reversal of 13161312050 is 5021316131.

13161312050 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 10008601849 + 3152710201 = 100043^2 + 56149^2 .

It is not an unprimeable number, because it can be changed into a prime (13161312053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 457904 + ... + 485796.

Almost surely, 2^13161312050 is an apocalyptic number.

13161312050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13161312050 is a deficient number, since it is larger than the sum of its proper divisors (11322200146).

13161312050 is a wasteful number, since it uses less digits than its factorization.

13161312050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37342 (or 37337 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 23.

Adding to 13161312050 its reverse (5021316131), we get a palindrome (18182628181).

The spelling of 13161312050 in words is "thirteen billion, one hundred sixty-one million, three hundred twelve thousand, fifty".