131431350 has 48 divisors (see below), whose sum is σ = 331496640. Its totient is φ = 34452000.

The previous prime is 131431343. The next prime is 131431367. The reversal of 131431350 is 53134131.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 1425 + ... + 16275.

It is an arithmetic number, because the mean of its divisors is an integer number (6906180).

Almost surely, 2^131431350 is an apocalyptic number.

131431350 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 131431350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165748320).

131431350 is an abundant number, since it is smaller than the sum of its proper divisors (200065290).

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

131431350 is a wasteful number, since it uses less digits than its factorization.

131431350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14925 (or 14920 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 131431350 is about 11464.3512681704. The cubic root of 131431350 is about 508.4321322491.

Adding to 131431350 its reverse (53134131), we get a palindrome (184565481).

The spelling of 131431350 in words is "one hundred thirty-one million, four hundred thirty-one thousand, three hundred fifty".