131054243 has 2 divisors, whose sum is σ = 131054244. Its totient is φ = 131054242.

The previous prime is 131054237. The next prime is 131054251. The reversal of 131054243 is 342450131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131054243 - 2⁴ = 131054227 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (131054263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65527121 + 65527122.

It is an arithmetic number, because the mean of its divisors is an integer number (65527122).

Almost surely, 2^131054243 is an apocalyptic number.

131054243 is a deficient number, since it is larger than the sum of its proper divisors (1).

131054243 is an equidigital number, since it uses as much as digits as its factorization.

131054243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 131054243 is about 11447.8925134716. The cubic root of 131054243 is about 507.9453965635.

The spelling of 131054243 in words is "one hundred thirty-one million, fifty-four thousand, two hundred forty-three".