131522203 has 8 divisors (see below), whose sum is σ = 135390528. Its totient is φ = 127705344.

The previous prime is 131522191. The next prime is 131522213. The reversal of 131522203 is 302225131.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131522203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131522213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7651 + ... + 17932.

It is an arithmetic number, because the mean of its divisors is an integer number (16923816).

Almost surely, 2^131522203 is an apocalyptic number.

131522203 is a deficient number, since it is larger than the sum of its proper divisors (3868325).

131522203 is an equidigital number, since it uses as much as digits as its factorization.

131522203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25733.

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

The square root of 131522203 is about 11468.3129971239. The cubic root of 131522203 is about 508.5492578941.

Adding to 131522203 its reverse (302225131), we get a palindrome (433747334).

The spelling of 131522203 in words is "one hundred thirty-one million, five hundred twenty-two thousand, two hundred three".