30031020120323 has 4 divisors (see below), whose sum is σ = 30031031413488. Its totient is φ = 30031008827160.

The previous prime is 30031020120301. The next prime is 30031020120331. The reversal of 30031020120323 is 32302102013003.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 30031020120323 - 2¹⁶ = 30031020054787 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30031020120295 and 30031020120304.

It is not an unprimeable number, because it can be changed into a prime (30031020120383) 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, 781490 + ... + 7789272.

It is an arithmetic number, because the mean of its divisors is an integer number (7507757853372).

Almost surely, 2^{30031020120323} is an apocalyptic number.

30031020120323 is a deficient number, since it is larger than the sum of its proper divisors (11293165).

30031020120323 is an equidigital number, since it uses as much as digits as its factorization.

30031020120323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11293164.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 30031020120323 its reverse (32302102013003), we get a palindrome (62333122133326).

The spelling of 30031020120323 in words is "thirty trillion, thirty-one billion, twenty million, one hundred twenty thousand, three hundred twenty-three".