201030131032109 has 2 divisors, whose sum is σ = 201030131032110. Its totient is φ = 201030131032108.

The previous prime is 201030131032097. The next prime is 201030131032163. The reversal of 201030131032109 is 901230131030102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 189260634383209 + 11769496648900 = 13757203^2 + 3430670^2 .

It is a cyclic number.

It is not a de Polignac number, because 201030131032109 - 2²⁸ = 201029862596653 is a prime.

It is a super-2 number, since 2×201030131032109² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201030131032909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100515065516054 + 100515065516055.

It is an arithmetic number, because the mean of its divisors is an integer number (100515065516055).

Almost surely, 2^{201030131032109} is an apocalyptic number.

It is an amenable number.

201030131032109 is a deficient number, since it is larger than the sum of its proper divisors (1).

201030131032109 is an equidigital number, since it uses as much as digits as its factorization.

201030131032109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 26.

The spelling of 201030131032109 in words is "two hundred one trillion, thirty billion, one hundred thirty-one million, thirty-two thousand, one hundred nine".