13531131002 has 8 divisors (see below), whose sum is σ = 20297193312. Its totient is φ = 6765399900.

The previous prime is 13531130983. The next prime is 13531131017. The reversal of 13531131002 is 20013113531.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 100427 + ... + 192737.

It is an arithmetic number, because the mean of its divisors is an integer number (2537149164).

Almost surely, 2^13531131002 is an apocalyptic number.

13531131002 is a deficient number, since it is larger than the sum of its proper divisors (6766062310).

13531131002 is an equidigital number, since it uses as much as digits as its factorization.

13531131002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165604.

The product of its (nonzero) digits is 270, while the sum is 20.

Adding to 13531131002 its reverse (20013113531), we get a palindrome (33544244533).

The spelling of 13531131002 in words is "thirteen billion, five hundred thirty-one million, one hundred thirty-one thousand, two".