131329043 has 2 divisors, whose sum is σ = 131329044. Its totient is φ = 131329042.

The previous prime is 131329031. The next prime is 131329073. The reversal of 131329043 is 340923131.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131329043 - 2¹⁴ = 131312659 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (131329073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65664521 + 65664522.

It is an arithmetic number, because the mean of its divisors is an integer number (65664522).

Almost surely, 2^131329043 is an apocalyptic number.

131329043 is a deficient number, since it is larger than the sum of its proper divisors (1).

131329043 is an equidigital number, since it uses as much as digits as its factorization.

131329043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 131329043 is about 11459.8884375023. Note that the first 3 decimals coincide. The cubic root of 131329043 is about 508.3001757345.

The spelling of 131329043 in words is "one hundred thirty-one million, three hundred twenty-nine thousand, forty-three".