13131310202 has 4 divisors (see below), whose sum is σ = 19696965306. Its totient is φ = 6565655100.

The previous prime is 13131310183. The next prime is 13131310207. The reversal of 13131310202 is 20201313131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20201313131 = 47 ⋅429815173.

It can be written as a sum of positive squares in only one way, i.e., 12862054921 + 269255281 = 113411^2 + 16409^2 .

It is a super-2 number, since 2×13131310202² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13131310207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3282827549 + ... + 3282827552.

Almost surely, 2^13131310202 is an apocalyptic number.

13131310202 is a deficient number, since it is larger than the sum of its proper divisors (6565655104).

13131310202 is an equidigital number, since it uses as much as digits as its factorization.

13131310202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6565655103.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 13131310202 its reverse (20201313131), we get a palindrome (33332623333).

The spelling of 13131310202 in words is "thirteen billion, one hundred thirty-one million, three hundred ten thousand, two hundred two".