20302010031 has 4 divisors (see below), whose sum is σ = 27069346712. Its totient is φ = 13534673352.

The previous prime is 20302010023. The next prime is 20302010087. The reversal of 20302010031 is 13001020302.

It is a happy number.

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

It is not a de Polignac number, because 20302010031 - 2³ = 20302010023 is a prime.

It is a super-2 number, since 2×20302010031² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20302009989 and 20302010016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20302010021) 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 3 ways as a sum of consecutive naturals, for example, 3383668336 + ... + 3383668341.

It is an arithmetic number, because the mean of its divisors is an integer number (6767336678).

Almost surely, 2^20302010031 is an apocalyptic number.

20302010031 is a deficient number, since it is larger than the sum of its proper divisors (6767336681).

20302010031 is an equidigital number, since it uses as much as digits as its factorization.

20302010031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6767336680.

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 20302010031 its reverse (13001020302), we get a palindrome (33303030333).

The spelling of 20302010031 in words is "twenty billion, three hundred two million, ten thousand, thirty-one".