131024331 has 8 divisors (see below), whose sum is σ = 194110160. Its totient is φ = 87349536.

The previous prime is 131024303. The next prime is 131024339. The reversal of 131024331 is 133420131.

131024331 is a `hidden beast` number, since 1 + 310 + 24 + 331 = 666.

It is not a de Polignac number, because 131024331 - 2⁹ = 131023819 is a prime.

It is a super-2 number, since 2×131024331² = 34334750627995122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131024339) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2426350 + ... + 2426403.

It is an arithmetic number, because the mean of its divisors is an integer number (24263770).

Almost surely, 2^131024331 is an apocalyptic number.

131024331 is a deficient number, since it is larger than the sum of its proper divisors (63085829).

131024331 is an equidigital number, since it uses as much as digits as its factorization.

131024331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4852762 (or 4852756 counting only the distinct ones).

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

The square root of 131024331 is about 11446.5859975802. The cubic root of 131024331 is about 507.9067489053.

Adding to 131024331 its reverse (133420131), we get a palindrome (264444462).

The spelling of 131024331 in words is "one hundred thirty-one million, twenty-four thousand, three hundred thirty-one".