30768561119 has 16 divisors (see below), whose sum is σ = 31897562400. Its totient is φ = 29660265600.

The previous prime is 30768561097. The next prime is 30768561133. The reversal of 30768561119 is 91116586703.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30768561119 is a prime.

It is a super-2 number, since 2×30768561119² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30768561149) 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, 1365557 + ... + 1387905.

It is an arithmetic number, because the mean of its divisors is an integer number (1993597650).

Almost surely, 2^30768561119 is an apocalyptic number.

30768561119 is a deficient number, since it is larger than the sum of its proper divisors (1129001281).

30768561119 is a wasteful number, since it uses less digits than its factorization.

30768561119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22810.

The product of its (nonzero) digits is 272160, while the sum is 47.

The spelling of 30768561119 in words is "thirty billion, seven hundred sixty-eight million, five hundred sixty-one thousand, one hundred nineteen".