30001311011123 has 4 divisors (see below), whose sum is σ = 30423864687408. Its totient is φ = 29578757334840.

The previous prime is 30001311011117. The next prime is 30001311011167. The reversal of 30001311011123 is 32111011310003.

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 30001311011123 - 2⁶ = 30001311011059 is a prime.

It is a super-2 number, since 2×30001311011123² (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 (30001311011183) 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, 211276838036 + ... + 211276838177.

It is an arithmetic number, because the mean of its divisors is an integer number (7605966171852).

Almost surely, 2^{30001311011123} is an apocalyptic number.

30001311011123 is a deficient number, since it is larger than the sum of its proper divisors (422553676285).

30001311011123 is an equidigital number, since it uses as much as digits as its factorization.

30001311011123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422553676284.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 30001311011123 its reverse (32111011310003), we get a palindrome (62112322321126).

The spelling of 30001311011123 in words is "thirty trillion, one billion, three hundred eleven million, eleven thousand, one hundred twenty-three".