30143100121 has 4 divisors (see below), whose sum is σ = 30146079744. Its totient is φ = 30140120500.

The previous prime is 30143100109. The next prime is 30143100149. The reversal of 30143100121 is 12100134103.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 12100134103 = 1093 ⋅11070571.

It is a cyclic number.

It is not a de Polignac number, because 30143100121 - 2¹⁹ = 30142575833 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30143100095 and 30143100104.

It is not an unprimeable number, because it can be changed into a prime (30143100161) 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, 1474585 + ... + 1494886.

It is an arithmetic number, because the mean of its divisors is an integer number (7536519936).

Almost surely, 2^30143100121 is an apocalyptic number.

It is an amenable number.

30143100121 is a deficient number, since it is larger than the sum of its proper divisors (2979623).

30143100121 is a wasteful number, since it uses less digits than its factorization.

30143100121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2979622.

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

Adding to 30143100121 its reverse (12100134103), we get a palindrome (42243234224).

The spelling of 30143100121 in words is "thirty billion, one hundred forty-three million, one hundred thousand, one hundred twenty-one".