20313030303 has 12 divisors (see below), whose sum is σ = 30134045448. Its totient is φ = 13176019440.

The previous prime is 20313030293. The next prime is 20313030307. The reversal of 20313030303 is 30303031302.

20313030303 is a `hidden beast` number, since 20 + 313 + 0 + 30 + 303 = 666.

It is not a de Polignac number, because 20313030303 - 2¹³ = 20313022111 is a prime.

20313030303 is a modest number, since divided by 30303 gives 20313 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20313030307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30499713 + ... + 30500378.

It is an arithmetic number, because the mean of its divisors is an integer number (2511170454).

Almost surely, 2^20313030303 is an apocalyptic number.

20313030303 is a deficient number, since it is larger than the sum of its proper divisors (9821015145).

20313030303 is a wasteful number, since it uses less digits than its factorization.

20313030303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61000134 (or 61000131 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 18.

Adding to 20313030303 its reverse (30303031302), we get a palindrome (50616061605).

Subtracting 20313030303 from its reverse (30303031302), we obtain a palindrome (9990000999).

The spelling of 20313030303 in words is "twenty billion, three hundred thirteen million, thirty thousand, three hundred three".