20310134303 has 8 divisors (see below), whose sum is σ = 21400089600. Its totient is φ = 19222279128.

The previous prime is 20310134287. The next prime is 20310134321. The reversal of 20310134303 is 30343101302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20310134303 - 2⁴ = 20310134287 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 (20310134323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 505151 + ... + 543872.

It is an arithmetic number, because the mean of its divisors is an integer number (2675011200).

Almost surely, 2^20310134303 is an apocalyptic number.

20310134303 is a deficient number, since it is larger than the sum of its proper divisors (1089955297).

20310134303 is a wasteful number, since it uses less digits than its factorization.

20310134303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1050061.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 20310134303 its reverse (30343101302), we get a palindrome (50653235605).

The spelling of 20310134303 in words is "twenty billion, three hundred ten million, one hundred thirty-four thousand, three hundred three".