131122133 has 2 divisors, whose sum is σ = 131122134. Its totient is φ = 131122132.

The previous prime is 131122129. The next prime is 131122153. The reversal of 131122133 is 331221131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 114532804 + 16589329 = 10702^2 + 4073^2 .

It is a cyclic number.

It is not a de Polignac number, because 131122133 - 2² = 131122129 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131122153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65561066 + 65561067.

It is an arithmetic number, because the mean of its divisors is an integer number (65561067).

Almost surely, 2^131122133 is an apocalyptic number.

It is an amenable number.

131122133 is a deficient number, since it is larger than the sum of its proper divisors (1).

131122133 is an equidigital number, since it uses as much as digits as its factorization.

131122133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108, while the sum is 17.

The square root of 131122133 is about 11450.8573041498. The cubic root of 131122133 is about 508.0330917022.

Adding to 131122133 its reverse (331221131), we get a palindrome (462343264).

The spelling of 131122133 in words is "one hundred thirty-one million, one hundred twenty-two thousand, one hundred thirty-three".