201303129991 has 2 divisors, whose sum is σ = 201303129992. Its totient is φ = 201303129990.

The previous prime is 201303129967. The next prime is 201303130027. The reversal of 201303129991 is 199921303102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201303129991 - 2¹¹ = 201303127943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201303126991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100651564995 + 100651564996.

It is an arithmetic number, because the mean of its divisors is an integer number (100651564996).

Almost surely, 2^201303129991 is an apocalyptic number.

201303129991 is a deficient number, since it is larger than the sum of its proper divisors (1).

201303129991 is an equidigital number, since it uses as much as digits as its factorization.

201303129991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26244, while the sum is 40.

The spelling of 201303129991 in words is "two hundred one billion, three hundred three million, one hundred twenty-nine thousand, nine hundred ninety-one".