30821137994 has 8 divisors (see below), whose sum is σ = 48241781280. Its totient is φ = 14740544236.

The previous prime is 30821137979. The next prime is 30821138003. The reversal of 30821137994 is 49973112803.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 335012324 + ... + 335012415.

It is an arithmetic number, because the mean of its divisors is an integer number (6030222660).

Almost surely, 2^30821137994 is an apocalyptic number.

30821137994 is a deficient number, since it is larger than the sum of its proper divisors (17420643286).

30821137994 is a wasteful number, since it uses less digits than its factorization.

30821137994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670024764.

The product of its (nonzero) digits is 326592, while the sum is 47.

The spelling of 30821137994 in words is "thirty billion, eight hundred twenty-one million, one hundred thirty-seven thousand, nine hundred ninety-four".