30020110031 has 2 divisors, whose sum is σ = 30020110032. Its totient is φ = 30020110030.

The previous prime is 30020110027. The next prime is 30020110039. The reversal of 30020110031 is 13001102003.

It is a weak prime.

It is an emirp because it is prime and its reverse (13001102003) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30020110031 - 2² = 30020110027 is a prime.

It is a super-2 number, since 2×30020110031² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30020109994 and 30020110021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30020110039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15010055015 + 15010055016.

It is an arithmetic number, because the mean of its divisors is an integer number (15010055016).

Almost surely, 2^30020110031 is an apocalyptic number.

30020110031 is a deficient number, since it is larger than the sum of its proper divisors (1).

30020110031 is an equidigital number, since it uses as much as digits as its factorization.

30020110031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 11.

Adding to 30020110031 its reverse (13001102003), we get a palindrome (43021212034).

The spelling of 30020110031 in words is "thirty billion, twenty million, one hundred ten thousand, thirty-one".