131324331 has 8 divisors (see below), whose sum is σ = 175153104. Its totient is φ = 87522560.

The previous prime is 131324321. The next prime is 131324363. The reversal of 131324331 is 133423131.

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

It is a cyclic number.

It is not a de Polignac number, because 131324331 - 2²⁶ = 64215467 is a prime.

It is a super-2 number, since 2×131324331² = 34492159825195122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131324298 and 131324307.

It is not an unprimeable number, because it can be changed into a prime (131324321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12211 + ... + 20291.

It is an arithmetic number, because the mean of its divisors is an integer number (21894138).

Almost surely, 2^131324331 is an apocalyptic number.

131324331 is a deficient number, since it is larger than the sum of its proper divisors (43828773).

131324331 is an equidigital number, since it uses as much as digits as its factorization.

131324331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13501.

The product of its digits is 648, while the sum is 21.

The square root of 131324331 is about 11459.6828490146. The cubic root of 131324331 is about 508.2940965027.

Adding to 131324331 its reverse (133423131), we get a palindrome (264747462).

The spelling of 131324331 in words is "one hundred thirty-one million, three hundred twenty-four thousand, three hundred thirty-one".