30121311000001 has 16 divisors (see below), whose sum is σ = 32580195762240. Its totient is φ = 27682827140160.

The previous prime is 30121310999999. The next prime is 30121311000007. The reversal of 30121311000001 is 10000011312103.

It is a cyclic number.

It is not a de Polignac number, because 30121311000001 - 2¹ = 30121310999999 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30121311000007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2540886 + ... + 8166928.

It is an arithmetic number, because the mean of its divisors is an integer number (2036262235140).

Almost surely, 2^{30121311000001} is an apocalyptic number.

It is an amenable number.

30121311000001 is a deficient number, since it is larger than the sum of its proper divisors (2458884762239).

30121311000001 is a wasteful number, since it uses less digits than its factorization.

30121311000001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5627856.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 30121311000001 its reverse (10000011312103), we get a palindrome (40121322312104).

The spelling of 30121311000001 in words is "thirty trillion, one hundred twenty-one billion, three hundred eleven million, one", and thus it is an aban number.