131662230 has 32 divisors (see below), whose sum is σ = 361131264. Its totient is φ = 30094176.

The previous prime is 131662213. The next prime is 131662231. The reversal of 131662230 is 32266131.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 131662230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131662231) 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 15 ways as a sum of consecutive naturals, for example, 313272 + ... + 313691.

It is an arithmetic number, because the mean of its divisors is an integer number (11285352).

Almost surely, 2^131662230 is an apocalyptic number.

131662230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131662230 is an abundant number, since it is smaller than the sum of its proper divisors (229469034).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131662230 is a wasteful number, since it uses less digits than its factorization.

131662230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626980.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 131662230 is about 11474.4163250250. The cubic root of 131662230 is about 508.7296719698.

It can be divided in two parts, 1316 and 62230, that added together give a triangular number (63546 = T₃₅₆).

The spelling of 131662230 in words is "one hundred thirty-one million, six hundred sixty-two thousand, two hundred thirty".