30031030120023 has 48 divisors (see below), whose sum is σ = 43958080273536. Its totient is φ = 19754892480960.

The previous prime is 30031030119971. The next prime is 30031030120073. The reversal of 30031030120023 is 32002103013003.

30031030120023 is a `hidden beast` number, since 30 + 0 + 310 + 301 + 2 + 0 + 0 + 23 = 666.

It is not a de Polignac number, because 30031030120023 - 2¹² = 30031030115927 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30031030119978 and 30031030120005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30031030120073) 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 in 47 ways as a sum of consecutive naturals, for example, 387143640 + ... + 387221202.

It is an arithmetic number, because the mean of its divisors is an integer number (915793339032).

Almost surely, 2^{30031030120023} is an apocalyptic number.

30031030120023 is a deficient number, since it is larger than the sum of its proper divisors (13927050153513).

30031030120023 is a wasteful number, since it uses less digits than its factorization.

30031030120023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79564 (or 79561 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 30031030120023 its reverse (32002103013003), we get a palindrome (62033133133026).

The spelling of 30031030120023 in words is "thirty trillion, thirty-one billion, thirty million, one hundred twenty thousand, twenty-three".