13150331161 has 32 divisors (see below), whose sum is σ = 14973235200. Its totient is φ = 11441304000.

The previous prime is 13150331141. The next prime is 13150331189. The reversal of 13150331161 is 16113305131.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13150331161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13150331111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19954650 + ... + 19955308.

It is an arithmetic number, because the mean of its divisors is an integer number (467913600).

Almost surely, 2^13150331161 is an apocalyptic number.

13150331161 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13150331161 is a deficient number, since it is larger than the sum of its proper divisors (1822904039).

13150331161 is a wasteful number, since it uses less digits than its factorization.

13150331161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1261.

The product of its (nonzero) digits is 810, while the sum is 25.

Adding to 13150331161 its reverse (16113305131), we get a palindrome (29263636292).

The spelling of 13150331161 in words is "thirteen billion, one hundred fifty million, three hundred thirty-one thousand, one hundred sixty-one".