201100340403 has 24 divisors (see below), whose sum is σ = 303474532608. Its totient is φ = 128082725232.

The previous prime is 201100340387. The next prime is 201100340437. The reversal of 201100340403 is 304043001102.

It is not a de Polignac number, because 201100340403 - 2⁴ = 201100340387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201100340603) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 416175 + ... + 758552.

It is an arithmetic number, because the mean of its divisors is an integer number (12644772192).

Almost surely, 2^201100340403 is an apocalyptic number.

201100340403 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

201100340403 is a deficient number, since it is larger than the sum of its proper divisors (102374192205).

201100340403 is a wasteful number, since it uses less digits than its factorization.

201100340403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1175583 (or 1175580 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 201100340403 its reverse (304043001102), we get a palindrome (505143341505).

The spelling of 201100340403 in words is "two hundred one billion, one hundred million, three hundred forty thousand, four hundred three".