201100311403 has 4 divisors (see below), whose sum is σ = 201112751160. Its totient is φ = 201087871648.

The previous prime is 201100311323. The next prime is 201100311409. The reversal of 201100311403 is 304113001102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 304113001102 = 2 ⋅152056500551.

It is a cyclic number.

It is not a de Polignac number, because 201100311403 - 2¹⁷ = 201100180331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201100311409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6195598 + ... + 6227971.

It is an arithmetic number, because the mean of its divisors is an integer number (50278187790).

Almost surely, 2^201100311403 is an apocalyptic number.

201100311403 is a deficient number, since it is larger than the sum of its proper divisors (12439757).

201100311403 is a wasteful number, since it uses less digits than its factorization.

201100311403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12439756.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 201100311403 its reverse (304113001102), we get a palindrome (505213312505).

The spelling of 201100311403 in words is "two hundred one billion, one hundred million, three hundred eleven thousand, four hundred three".