201100311409 has 2 divisors, whose sum is σ = 201100311410. Its totient is φ = 201100311408.

The previous prime is 201100311323. The next prime is 201100311449. The reversal of 201100311409 is 904113001102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 184875920784 + 16224390625 = 429972^2 + 127375^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201100311409 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 201100311409.

It is not a weakly prime, because it can be changed into another prime (201100311449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100550155704 + 100550155705.

It is an arithmetic number, because the mean of its divisors is an integer number (100550155705).

Almost surely, 2^201100311409 is an apocalyptic number.

It is an amenable number.

201100311409 is a deficient number, since it is larger than the sum of its proper divisors (1).

201100311409 is an equidigital number, since it uses as much as digits as its factorization.

201100311409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 22.

The spelling of 201100311409 in words is "two hundred one billion, one hundred million, three hundred eleven thousand, four hundred nine".