30799999999 has 4 divisors (see below), whose sum is σ = 30800381080. Its totient is φ = 30799618920.

The previous prime is 30799999973. The next prime is 30800000009. The reversal of 30799999999 is 99999999703.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 30799999999 - 2⁷ = 30799999871 is a prime.

It is a Duffinian number.

30799999999 is a modest number, since divided by 999999 gives 30799 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30799999099) 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, 16029 + ... + 248710.

It is an arithmetic number, because the mean of its divisors is an integer number (7700095270).

Almost surely, 2^30799999999 is an apocalyptic number.

30799999999 is a deficient number, since it is larger than the sum of its proper divisors (381081).

30799999999 is a wasteful number, since it uses less digits than its factorization.

30799999999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381080.

The product of its (nonzero) digits is 903981141, while the sum is 82.

The spelling of 30799999999 in words is "thirty billion, seven hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred ninety-nine".