30768561121 has 12 divisors (see below), whose sum is σ = 32997549312. Its totient is φ = 28635341328.

The previous prime is 30768561097. The next prime is 30768561133. The reversal of 30768561121 is 12116586703.

It is a happy number.

It is not a de Polignac number, because 30768561121 - 2⁹ = 30768560609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30768561521) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 457105 + ... + 520078.

It is an arithmetic number, because the mean of its divisors is an integer number (2749795776).

Almost surely, 2^30768561121 is an apocalyptic number.

It is an amenable number.

30768561121 is a deficient number, since it is larger than the sum of its proper divisors (2228988191).

30768561121 is an equidigital number, since it uses as much as digits as its factorization.

30768561121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 977280 (or 977243 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 40.

The spelling of 30768561121 in words is "thirty billion, seven hundred sixty-eight million, five hundred sixty-one thousand, one hundred twenty-one".