131203252 has 12 divisors (see below), whose sum is σ = 229728100. Its totient is φ = 65566656.

The previous prime is 131203217. The next prime is 131203301. The reversal of 131203252 is 252302131.

It can be written as a sum of positive squares in 2 ways, for example, as 21288996 + 109914256 = 4614^2 + 10484^2 .

131203252 is a modest number, since divided by 3252 gives 1312 as remainder.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 874 + ... + 16222.

Almost surely, 2^131203252 is an apocalyptic number.

It is an amenable number.

131203252 is a deficient number, since it is larger than the sum of its proper divisors (98524848).

131203252 is a wasteful number, since it uses less digits than its factorization.

131203252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17490 (or 17488 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 131203252 is about 11454.3988056991. The cubic root of 131203252 is about 508.1378353736.

Adding to 131203252 its reverse (252302131), we get a palindrome (383505383).

The spelling of 131203252 in words is "one hundred thirty-one million, two hundred three thousand, two hundred fifty-two".