201044434531 has 2 divisors, whose sum is σ = 201044434532. Its totient is φ = 201044434530.

The previous prime is 201044434499. The next prime is 201044434537. The reversal of 201044434531 is 135434440102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201044434531 - 2⁵ = 201044434499 is a prime.

It is a super-2 number, since 2×201044434531² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201044434493 and 201044434502.

It is not a weakly prime, because it can be changed into another prime (201044434537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100522217265 + 100522217266.

It is an arithmetic number, because the mean of its divisors is an integer number (100522217266).

Almost surely, 2^201044434531 is an apocalyptic number.

201044434531 is a deficient number, since it is larger than the sum of its proper divisors (1).

201044434531 is an equidigital number, since it uses as much as digits as its factorization.

201044434531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 201044434531 its reverse (135434440102), we get a palindrome (336478874633).

The spelling of 201044434531 in words is "two hundred one billion, forty-four million, four hundred thirty-four thousand, five hundred thirty-one".