30312331994 has 32 divisors (see below), whose sum is σ = 54408533760. Its totient is φ = 12383724672.

The previous prime is 30312331993. The next prime is 30312332047. The reversal of 30312331994 is 49913321303.

It is not an unprimeable number, because it can be changed into a prime (30312331993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66299 + ... + 254990.

It is an arithmetic number, because the mean of its divisors is an integer number (1700266680).

Almost surely, 2^30312331994 is an apocalyptic number.

30312331994 is a deficient number, since it is larger than the sum of its proper divisors (24096201766).

30312331994 is a wasteful number, since it uses less digits than its factorization.

30312331994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321614.

The product of its (nonzero) digits is 52488, while the sum is 38.

The spelling of 30312331994 in words is "thirty billion, three hundred twelve million, three hundred thirty-one thousand, nine hundred ninety-four".