31032230000 has 200 divisors, whose sum is σ = 77136246000. Its totient is φ = 12086272000.

The previous prime is 31032229999. The next prime is 31032230023. The reversal of 31032230000 is 3223013.

It is a tau number, because it is divible by the number of its divisors (200).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 87909824 + ... + 87910176.

It is an arithmetic number, because the mean of its divisors is an integer number (385681230).

Almost surely, 2^31032230000 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 31032230000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38568123000).

31032230000 is an abundant number, since it is smaller than the sum of its proper divisors (46104016000).

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

31032230000 is a wasteful number, since it uses less digits than its factorization.

31032230000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589 (or 568 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 14.

Adding to 31032230000 its reverse (3223013), we get a palindrome (31035453013).

The spelling of 31032230000 in words is "thirty-one billion, thirty-two million, two hundred thirty thousand".