131422933 has 2 divisors, whose sum is σ = 131422934. Its totient is φ = 131422932.

The previous prime is 131422901. The next prime is 131422939. The reversal of 131422933 is 339224131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 125933284 + 5489649 = 11222^2 + 2343^2 .

It is a cyclic number.

It is not a de Polignac number, because 131422933 - 2⁵ = 131422901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131422939) 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, 65711466 + 65711467.

It is an arithmetic number, because the mean of its divisors is an integer number (65711467).

Almost surely, 2^131422933 is an apocalyptic number.

It is an amenable number.

131422933 is a deficient number, since it is larger than the sum of its proper divisors (1).

131422933 is an equidigital number, since it uses as much as digits as its factorization.

131422933 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888, while the sum is 28.

The square root of 131422933 is about 11463.9841678188. The cubic root of 131422933 is about 508.4212785103.

It can be divided in two parts, 131422 and 933, that added together give a triangular number (132355 = T₅₁₄).

The spelling of 131422933 in words is "one hundred thirty-one million, four hundred twenty-two thousand, nine hundred thirty-three".