201100312403 has 2 divisors, whose sum is σ = 201100312404. Its totient is φ = 201100312402.

The previous prime is 201100312337. The next prime is 201100312417. The reversal of 201100312403 is 304213001102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201100312403 - 2¹⁸ = 201100050259 is a prime.

It is not a weakly prime, because it can be changed into another prime (201100312433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100550156201 + 100550156202.

It is an arithmetic number, because the mean of its divisors is an integer number (100550156202).

Almost surely, 2^201100312403 is an apocalyptic number.

201100312403 is a deficient number, since it is larger than the sum of its proper divisors (1).

201100312403 is an equidigital number, since it uses as much as digits as its factorization.

201100312403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 201100312403 its reverse (304213001102), we get a palindrome (505313313505).

The spelling of 201100312403 in words is "two hundred one billion, one hundred million, three hundred twelve thousand, four hundred three".