30231311000 has 256 divisors, whose sum is σ = 80738985600. Its totient is φ = 10493952000.

The previous prime is 30231310973. The next prime is 30231311051. The reversal of 30231311000 is 11313203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 30942512 + ... + 30943488.

Almost surely, 2^30231311000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30231311000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40369492800).

30231311000 is an abundant number, since it is smaller than the sum of its proper divisors (50507674600).

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

30231311000 is a wasteful number, since it uses less digits than its factorization.

30231311000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1135 (or 1121 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 30231311000 its reverse (11313203), we get a palindrome (30242624203).

It can be divided in two parts, 302313 and 11000, that added together give a palindrome (313313).

The spelling of 30231311000 in words is "thirty billion, two hundred thirty-one million, three hundred eleven thousand".