201330181043 has 2 divisors, whose sum is σ = 201330181044. Its totient is φ = 201330181042.

The previous prime is 201330181001. The next prime is 201330181049. The reversal of 201330181043 is 340181033102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201330181043 - 2²⁸ = 201061745587 is a prime.

It is not a weakly prime, because it can be changed into another prime (201330181049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100665090521 + 100665090522.

It is an arithmetic number, because the mean of its divisors is an integer number (100665090522).

Almost surely, 2^201330181043 is an apocalyptic number.

201330181043 is a deficient number, since it is larger than the sum of its proper divisors (1).

201330181043 is an equidigital number, since it uses as much as digits as its factorization.

201330181043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 26.

The spelling of 201330181043 in words is "two hundred one billion, three hundred thirty million, one hundred eighty-one thousand, forty-three".