30211142003123 has 4 divisors (see below), whose sum is σ = 30211174374480. Its totient is φ = 30211109631768.

The previous prime is 30211142003101. The next prime is 30211142003129. The reversal of 30211142003123 is 32130024111203.

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 30211142003123 - 2¹⁰ = 30211142002099 is a prime.

It is a super-2 number, since 2×30211142003123² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30211142003129) 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 3 ways as a sum of consecutive naturals, for example, 14742908 + ... + 16666601.

It is an arithmetic number, because the mean of its divisors is an integer number (7552793593620).

Almost surely, 2^{30211142003123} is an apocalyptic number.

30211142003123 is a deficient number, since it is larger than the sum of its proper divisors (32371357).

30211142003123 is an equidigital number, since it uses as much as digits as its factorization.

30211142003123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32371356.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 30211142003123 its reverse (32130024111203), we get a palindrome (62341166114326).

The spelling of 30211142003123 in words is "thirty trillion, two hundred eleven billion, one hundred forty-two million, three thousand, one hundred twenty-three".