20300013031 has 4 divisors (see below), whose sum is σ = 20300326272. Its totient is φ = 20299699792.

The previous prime is 20300013011. The next prime is 20300013043. The reversal of 20300013031 is 13031000302.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20300013031 is a prime.

It is a super-2 number, since 2×20300013031² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20300013011) 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, 19246 + ... + 202411.

It is an arithmetic number, because the mean of its divisors is an integer number (5075081568).

Almost surely, 2^20300013031 is an apocalyptic number.

20300013031 is a deficient number, since it is larger than the sum of its proper divisors (313241).

20300013031 is an equidigital number, since it uses as much as digits as its factorization.

20300013031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313240.

The product of its (nonzero) digits is 54, while the sum is 13.

Adding to 20300013031 its reverse (13031000302), we get a palindrome (33331013333).

The spelling of 20300013031 in words is "twenty billion, three hundred million, thirteen thousand, thirty-one".