131284230 has 192 divisors, whose sum is σ = 418411008. Its totient is φ = 26019840.

The previous prime is 131284213. The next prime is 131284259. The reversal of 131284230 is 32482131.

It is a self number, because there is not a number n which added to its sum of digits gives 131284230.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 371734 + ... + 372086.

It is an arithmetic number, because the mean of its divisors is an integer number (2179224).

Almost surely, 2^131284230 is an apocalyptic number.

131284230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 131284230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (209205504).

131284230 is an abundant number, since it is smaller than the sum of its proper divisors (287126778).

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

131284230 is a wasteful number, since it uses less digits than its factorization.

131284230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411 (or 404 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 131284230 is about 11457.9330596753. The cubic root of 131284230 is about 508.2423539290.

The spelling of 131284230 in words is "one hundred thirty-one million, two hundred eighty-four thousand, two hundred thirty".