13161302235 has 24 divisors (see below), whose sum is σ = 22913439120. Its totient is φ = 6988433472.

The previous prime is 13161302197. The next prime is 13161302243. The reversal of 13161302235 is 53220316131.

13161302235 is a `hidden beast` number, since 13 + 1 + 613 + 0 + 2 + 2 + 35 = 666.

It is not a de Polignac number, because 13161302235 - 2¹³ = 13161294043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13161302199 and 13161302208.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 634000 + ... + 654429.

It is an arithmetic number, because the mean of its divisors is an integer number (954726630).

Almost surely, 2^13161302235 is an apocalyptic number.

13161302235 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13161302235 is a deficient number, since it is larger than the sum of its proper divisors (9752136885).

13161302235 is a wasteful number, since it uses less digits than its factorization.

13161302235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1288667 (or 1288664 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

Adding to 13161302235 its reverse (53220316131), we get a palindrome (66381618366).

The spelling of 13161302235 in words is "thirteen billion, one hundred sixty-one million, three hundred two thousand, two hundred thirty-five".