201043212031 has 2 divisors, whose sum is σ = 201043212032. Its totient is φ = 201043212030.

The previous prime is 201043212011. The next prime is 201043212061. The reversal of 201043212031 is 130212340102.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201043212031 - 2⁷ = 201043211903 is a prime.

It is a super-2 number, since 2×201043212031² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201043212011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100521606015 + 100521606016.

It is an arithmetic number, because the mean of its divisors is an integer number (100521606016).

Almost surely, 2^201043212031 is an apocalyptic number.

201043212031 is a deficient number, since it is larger than the sum of its proper divisors (1).

201043212031 is an equidigital number, since it uses as much as digits as its factorization.

201043212031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 201043212031 its reverse (130212340102), we get a palindrome (331255552133).

The spelling of 201043212031 in words is "two hundred one billion, forty-three million, two hundred twelve thousand, thirty-one".