13131162004 has 12 divisors (see below), whose sum is σ = 23540010228. Its totient is φ = 6405444800.

The previous prime is 13131161999. The next prime is 13131162017. The reversal of 13131162004 is 40026113131.

It can be written as a sum of positive squares in 2 ways, for example, as 2585925904 + 10545236100 = 50852^2 + 102690^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40033867 + ... + 40034194.

It is an arithmetic number, because the mean of its divisors is an integer number (1961667519).

Almost surely, 2^13131162004 is an apocalyptic number.

It is an amenable number.

13131162004 is a deficient number, since it is larger than the sum of its proper divisors (10408848224).

13131162004 is a wasteful number, since it uses less digits than its factorization.

13131162004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80068106 (or 80068104 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 13131162004 its reverse (40026113131), we get a palindrome (53157275135).

The spelling of 13131162004 in words is "thirteen billion, one hundred thirty-one million, one hundred sixty-two thousand, four".