30020331023 has 2 divisors, whose sum is σ = 30020331024. Its totient is φ = 30020331022.

The previous prime is 30020331017. The next prime is 30020331031. The reversal of 30020331023 is 32013302003.

It is a weak prime.

It is an emirp because it is prime and its reverse (32013302003) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30020331023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30020330992 and 30020331010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30020331223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15010165511 + 15010165512.

It is an arithmetic number, because the mean of its divisors is an integer number (15010165512).

Almost surely, 2^30020331023 is an apocalyptic number.

30020331023 is a deficient number, since it is larger than the sum of its proper divisors (1).

30020331023 is an equidigital number, since it uses as much as digits as its factorization.

30020331023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 17.

Adding to 30020331023 its reverse (32013302003), we get a palindrome (62033633026).

The spelling of 30020331023 in words is "thirty billion, twenty million, three hundred thirty-one thousand, twenty-three".