30020012010031 has 2 divisors, whose sum is σ = 30020012010032. Its totient is φ = 30020012010030.

The previous prime is 30020012009993. The next prime is 30020012010119. The reversal of 30020012010031 is 13001021002003.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30020012010031 - 2¹⁹ = 30020011485743 is a prime.

It is a super-2 number, since 2×30020012010031² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30020012009993 and 30020012010020.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30020012010931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15010006005015 + 15010006005016.

It is an arithmetic number, because the mean of its divisors is an integer number (15010006005016).

Almost surely, 2^{30020012010031} is an apocalyptic number.

30020012010031 is a deficient number, since it is larger than the sum of its proper divisors (1).

30020012010031 is an equidigital number, since it uses as much as digits as its factorization.

30020012010031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 30020012010031 its reverse (13001021002003), we get a palindrome (43021033012034).

The spelling of 30020012010031 in words is "thirty trillion, twenty billion, twelve million, ten thousand, thirty-one".