201301109 has 2 divisors, whose sum is σ = 201301110. Its totient is φ = 201301108.

The previous prime is 201301099. The next prime is 201301157. The reversal of 201301109 is 901103102.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 159012100 + 42289009 = 12610^2 + 6503^2 .

It is a cyclic number.

It is not a de Polignac number, because 201301109 - 2²⁴ = 184523893 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201301609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100650554 + 100650555.

It is an arithmetic number, because the mean of its divisors is an integer number (100650555).

Almost surely, 2^201301109 is an apocalyptic number.

It is an amenable number.

201301109 is a deficient number, since it is larger than the sum of its proper divisors (1).

201301109 is an equidigital number, since it uses as much as digits as its factorization.

201301109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 17.

The square root of 201301109 is about 14188.0622003147. The cubic root of 201301109 is about 586.0689627901.

The spelling of 201301109 in words is "two hundred one million, three hundred one thousand, one hundred nine".