131333011 has 2 divisors, whose sum is σ = 131333012. Its totient is φ = 131333010.

The previous prime is 131333003. The next prime is 131333029. The reversal of 131333011 is 110333131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131333011 - 2³ = 131333003 is a prime.

It is a super-2 number, since 2×131333011² = 34496719556652242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (131333071) by changing a digit.

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 as a sum of consecutive naturals, namely, 65666505 + 65666506.

It is an arithmetic number, because the mean of its divisors is an integer number (65666506).

Almost surely, 2^131333011 is an apocalyptic number.

131333011 is a deficient number, since it is larger than the sum of its proper divisors (1).

131333011 is an equidigital number, since it uses as much as digits as its factorization.

131333011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81, while the sum is 16.

The square root of 131333011 is about 11460.0615617893. The cubic root of 131333011 is about 508.3052949748.

Adding to 131333011 its reverse (110333131), we get a palindrome (241666142).

The spelling of 131333011 in words is "one hundred thirty-one million, three hundred thirty-three thousand, eleven".