30731006996 has 48 divisors (see below), whose sum is σ = 56150130960. Its totient is φ = 14705280000.

The previous prime is 30731006963. The next prime is 30731007001. The reversal of 30731006996 is 69960013703.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 5121406096 + 25609600900 = 71564^2 + 160030^2 .

It is a congruent number.

It is an unprimeable number.

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, 1796966 + ... + 1813986.

It is an arithmetic number, because the mean of its divisors is an integer number (1169794395).

Almost surely, 2^30731006996 is an apocalyptic number.

It is an amenable number.

30731006996 is a deficient number, since it is larger than the sum of its proper divisors (25419123964).

30731006996 is a wasteful number, since it uses less digits than its factorization.

30731006996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17276 (or 17274 counting only the distinct ones).

The product of its (nonzero) digits is 183708, while the sum is 44.

The spelling of 30731006996 in words is "thirty billion, seven hundred thirty-one million, six thousand, nine hundred ninety-six".