13202131 has 6 divisors (see below), whose sum is σ = 13933932. Its totient is φ = 12506940.

The previous prime is 13202117. The next prime is 13202143. The reversal of 13202131 is 13120231.

It is not a de Polignac number, because 13202131 - 2¹⁷ = 13071059 is a prime.

It is a super-2 number, since 2×13202131² = 348592525882322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13202731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17925 + ... + 18646.

It is an arithmetic number, because the mean of its divisors is an integer number (2322322).

Almost surely, 2^13202131 is an apocalyptic number.

13202131 is a deficient number, since it is larger than the sum of its proper divisors (731801).

13202131 is an equidigital number, since it uses as much as digits as its factorization.

13202131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36609 (or 36590 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 13202131 is about 3633.4736823046. The cubic root of 13202131 is about 236.3458672360.

Adding to 13202131 its reverse (13120231), we get a palindrome (26322362).

The spelling of 13202131 in words is "thirteen million, two hundred two thousand, one hundred thirty-one".