30688321113 has 12 divisors (see below), whose sum is σ = 46254861120. Its totient is φ = 19569364056.

The previous prime is 30688321109. The next prime is 30688321121. The reversal of 30688321113 is 31112388603.

It is not a de Polignac number, because 30688321113 - 2² = 30688321109 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30688321123) 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, 74126173 + ... + 74126586.

It is an arithmetic number, because the mean of its divisors is an integer number (3854571760).

Almost surely, 2^30688321113 is an apocalyptic number.

It is an amenable number.

30688321113 is a deficient number, since it is larger than the sum of its proper divisors (15566540007).

30688321113 is a wasteful number, since it uses less digits than its factorization.

30688321113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148252788 (or 148252785 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The spelling of 30688321113 in words is "thirty billion, six hundred eighty-eight million, three hundred twenty-one thousand, one hundred thirteen".