133031051 has 2 divisors, whose sum is σ = 133031052. Its totient is φ = 133031050.

The previous prime is 133030957. The next prime is 133031053. The reversal of 133031051 is 150130331.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133031051 is a prime.

Together with 133031053, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (133031053) 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, 66515525 + 66515526.

It is an arithmetic number, because the mean of its divisors is an integer number (66515526).

Almost surely, 2^133031051 is an apocalyptic number.

133031051 is a deficient number, since it is larger than the sum of its proper divisors (1).

133031051 is an equidigital number, since it uses as much as digits as its factorization.

133031051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 135, while the sum is 17.

The square root of 133031051 is about 11533.9087476883. The cubic root of 133031051 is about 510.4865931338.

Adding to 133031051 its reverse (150130331), we get a palindrome (283161382).

The spelling of 133031051 in words is "one hundred thirty-three million, thirty-one thousand, fifty-one".