30143021011 has 4 divisors (see below), whose sum is σ = 31916139912. Its totient is φ = 28369902112.

The previous prime is 30143021009. The next prime is 30143021017. The reversal of 30143021011 is 11012034103.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11012034103 = 7 ⋅1573147729.

It is a cyclic number.

It is not a de Polignac number, because 30143021011 - 2¹ = 30143021009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30143021017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 886559425 + ... + 886559458.

It is an arithmetic number, because the mean of its divisors is an integer number (7979034978).

Almost surely, 2^30143021011 is an apocalyptic number.

30143021011 is a deficient number, since it is larger than the sum of its proper divisors (1773118901).

30143021011 is a wasteful number, since it uses less digits than its factorization.

30143021011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1773118900.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 30143021011 its reverse (11012034103), we get a palindrome (41155055114).

The spelling of 30143021011 in words is "thirty billion, one hundred forty-three million, twenty-one thousand, eleven".