30813803999 has 8 divisors (see below), whose sum is σ = 34396804992. Its totient is φ = 27361094040.

The previous prime is 30813803971. The next prime is 30813804011. The reversal of 30813803999 is 99930831803.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30813803999 - 2⁸ = 30813803743 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30813803999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30813805999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32572259 + ... + 32573204.

It is an arithmetic number, because the mean of its divisors is an integer number (4299600624).

Almost surely, 2^30813803999 is an apocalyptic number.

30813803999 is a deficient number, since it is larger than the sum of its proper divisors (3583000993).

30813803999 is a wasteful number, since it uses less digits than its factorization.

30813803999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65145517.

The product of its (nonzero) digits is 1259712, while the sum is 53.

The spelling of 30813803999 in words is "thirty billion, eight hundred thirteen million, eight hundred three thousand, nine hundred ninety-nine".