131040331 has 2 divisors, whose sum is σ = 131040332. Its totient is φ = 131040330.

The previous prime is 131040319. The next prime is 131040353. The reversal of 131040331 is 133040131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131040331 - 2²¹ = 128943179 is a prime.

It is a super-2 number, since 2×131040331² = 34343136697179122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (131740331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65520165 + 65520166.

It is an arithmetic number, because the mean of its divisors is an integer number (65520166).

Almost surely, 2^131040331 is an apocalyptic number.

131040331 is a deficient number, since it is larger than the sum of its proper divisors (1).

131040331 is an equidigital number, since it uses as much as digits as its factorization.

131040331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 131040331 is about 11447.2848745893. The cubic root of 131040331 is about 507.9274223612.

Adding to 131040331 its reverse (133040131), we get a palindrome (264080462).

The spelling of 131040331 in words is "one hundred thirty-one million, forty thousand, three hundred thirty-one".