133332131 has 2 divisors, whose sum is σ = 133332132. Its totient is φ = 133332130.

The previous prime is 133332119. The next prime is 133332137. The reversal of 133332131 is 131233331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 133332131 - 2¹⁸ = 133069987 is a prime.

It is a super-2 number, since 2×133332131² = 35554914314002322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (133332137) 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 as a sum of consecutive naturals, namely, 66666065 + 66666066.

It is an arithmetic number, because the mean of its divisors is an integer number (66666066).

Almost surely, 2^133332131 is an apocalyptic number.

133332131 is a deficient number, since it is larger than the sum of its proper divisors (1).

133332131 is an equidigital number, since it uses as much as digits as its factorization.

133332131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 486, while the sum is 20.

The square root of 133332131 is about 11546.9533211146. The cubic root of 133332131 is about 510.8714193255.

Adding to 133332131 its reverse (131233331), we get a palindrome (264565462).

The spelling of 133332131 in words is "one hundred thirty-three million, three hundred thirty-two thousand, one hundred thirty-one".