131550043 has 2 divisors, whose sum is σ = 131550044. Its totient is φ = 131550042.

The previous prime is 131550031. The next prime is 131550047. The reversal of 131550043 is 340055131.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131550043 - 2¹⁷ = 131418971 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131549996 and 131550023.

It is not a weakly prime, because it can be changed into another prime (131550047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65775021 + 65775022.

It is an arithmetic number, because the mean of its divisors is an integer number (65775022).

Almost surely, 2^131550043 is an apocalyptic number.

131550043 is a deficient number, since it is larger than the sum of its proper divisors (1).

131550043 is an equidigital number, since it uses as much as digits as its factorization.

131550043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 131550043 is about 11469.5267121185. The cubic root of 131550043 is about 508.5851377992.

The spelling of 131550043 in words is "one hundred thirty-one million, five hundred fifty thousand, forty-three".