30031321000 has 32 divisors (see below), whose sum is σ = 70273293480. Its totient is φ = 12012528000.

The previous prime is 30031320983. The next prime is 30031321013. The reversal of 30031321000 is 12313003.

It can be written as a sum of positive squares in 4 ways, for example, as 19072162404 + 10959158596 = 138102^2 + 104686^2 .

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, 15014661 + ... + 15016660.

Almost surely, 2^30031321000 is an apocalyptic number.

It is an amenable number.

30031321000 is an abundant number, since it is smaller than the sum of its proper divisors (40241972480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30031321000 is a wasteful number, since it uses less digits than its factorization.

30031321000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30031342 (or 30031328 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 13.

Adding to 30031321000 its reverse (12313003), we get a palindrome (30043634003).

The spelling of 30031321000 in words is "thirty billion, thirty-one million, three hundred twenty-one thousand".