30933307238 has 16 divisors (see below), whose sum is σ = 48850509120. Its totient is φ = 14650085736.

The previous prime is 30933307201. The next prime is 30933307241. The reversal of 30933307238 is 83270333903.

It is a junction number, because it is equal to n+sod(n) for n = 30933307195 and 30933307204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162281 + ... + 296987.

It is an arithmetic number, because the mean of its divisors is an integer number (3053156820).

Almost surely, 2^30933307238 is an apocalyptic number.

30933307238 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

30933307238 is a deficient number, since it is larger than the sum of its proper divisors (17917201882).

30933307238 is a wasteful number, since it uses less digits than its factorization.

30933307238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140771.

The product of its (nonzero) digits is 244944, while the sum is 41.

The spelling of 30933307238 in words is "thirty billion, nine hundred thirty-three million, three hundred seven thousand, two hundred thirty-eight".