203313430101 has 4 divisors (see below), whose sum is σ = 271084573472. Its totient is φ = 135542286732.

The previous prime is 203313430081. The next prime is 203313430121. The reversal of 203313430101 is 101034313302.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (203313430081) and next prime (203313430121).

It is not a de Polignac number, because 203313430101 - 2¹⁸ = 203313167957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203313430121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33885571681 + ... + 33885571686.

It is an arithmetic number, because the mean of its divisors is an integer number (67771143368).

Almost surely, 2^203313430101 is an apocalyptic number.

It is an amenable number.

203313430101 is a deficient number, since it is larger than the sum of its proper divisors (67771143371).

203313430101 is an equidigital number, since it uses as much as digits as its factorization.

203313430101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67771143370.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 203313430101 its reverse (101034313302), we get a palindrome (304347743403).

The spelling of 203313430101 in words is "two hundred three billion, three hundred thirteen million, four hundred thirty thousand, one hundred one".