30310211123 has 4 divisors (see below), whose sum is σ = 30955109280. Its totient is φ = 29665312968.

The previous prime is 30310211117. The next prime is 30310211207. The reversal of 30310211123 is 32111201303.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30310211123 - 2⁶ = 30310211059 is a prime.

It is a super-2 number, since 2×30310211123² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30310211623) 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, 322449008 + ... + 322449101.

It is an arithmetic number, because the mean of its divisors is an integer number (7738777320).

Almost surely, 2^30310211123 is an apocalyptic number.

30310211123 is a deficient number, since it is larger than the sum of its proper divisors (644898157).

30310211123 is an equidigital number, since it uses as much as digits as its factorization.

30310211123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644898156.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 30310211123 its reverse (32111201303), we get a palindrome (62421412426).

The spelling of 30310211123 in words is "thirty billion, three hundred ten million, two hundred eleven thousand, one hundred twenty-three".