131324310 has 96 divisors (see below), whose sum is σ = 371498400. Its totient is φ = 31993344.

The previous prime is 131324309. The next prime is 131324321. The reversal of 131324310 is 13423131.

131324310 is a `hidden beast` number, since 1 + 31 + 324 + 310 = 666.

It is a super-2 number, since 2×131324310² = 34492148793952200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 124666 + ... + 125714.

It is an arithmetic number, because the mean of its divisors is an integer number (3869775).

Almost surely, 2^131324310 is an apocalyptic number.

131324310 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 131324310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185749200).

131324310 is an abundant number, since it is smaller than the sum of its proper divisors (240174090).

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

131324310 is a wasteful number, since it uses less digits than its factorization.

131324310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1182 (or 1179 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 131324310 is about 11459.6819327589. The cubic root of 131324310 is about 508.2940694090.

Adding to 131324310 its reverse (13423131), we get a palindrome (144747441).

The spelling of 131324310 in words is "one hundred thirty-one million, three hundred twenty-four thousand, three hundred ten".