30431023000 has 128 divisors (see below), whose sum is σ = 81490481280. Its totient is φ = 10419494400.

The previous prime is 30431022989. The next prime is 30431023037. The reversal of 30431023000 is 32013403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6136522 + ... + 6141478.

It is an arithmetic number, because the mean of its divisors is an integer number (636644385).

Almost surely, 2^30431023000 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 30431023000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40745240640).

30431023000 is an abundant number, since it is smaller than the sum of its proper divisors (51059458280).

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

30431023000 is a wasteful number, since it uses less digits than its factorization.

30431023000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5862 (or 5848 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 30431023000 its reverse (32013403), we get a palindrome (30463036403).

The spelling of 30431023000 in words is "thirty billion, four hundred thirty-one million, twenty-three thousand".