30001323000031 has 2 divisors, whose sum is σ = 30001323000032. Its totient is φ = 30001323000030.

The previous prime is 30001323000007. The next prime is 30001323000083. The reversal of 30001323000031 is 13000032310003.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30001323000031 - 2¹⁹ = 30001322475743 is a prime.

It is a super-2 number, since 2×30001323000031² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30001322999969 and 30001323000014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30001323000091) 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 as a sum of consecutive naturals, namely, 15000661500015 + 15000661500016.

It is an arithmetic number, because the mean of its divisors is an integer number (15000661500016).

Almost surely, 2^{30001323000031} is an apocalyptic number.

30001323000031 is a deficient number, since it is larger than the sum of its proper divisors (1).

30001323000031 is an equidigital number, since it uses as much as digits as its factorization.

30001323000031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 16.

Adding to 30001323000031 its reverse (13000032310003), we get a palindrome (43001355310034).

The spelling of 30001323000031 in words is "thirty trillion, one billion, three hundred twenty-three million, thirty-one", and thus it is an aban number.