31440300230000 has 300 divisors, whose sum is σ = 77754510879408. Its totient is φ = 12308997120000.

The previous prime is 31440300229999. The next prime is 31440300230021. The reversal of 31440300230000 is 3200304413.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 65637369761 + ... + 65637370239.

Almost surely, 2^{31440300230000} 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 31440300230000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38877255439704).

31440300230000 is an abundant number, since it is smaller than the sum of its proper divisors (46314210649408).

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

31440300230000 is an frugal number, since it uses more digits than its factorization.

31440300230000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1250 (or 750 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 31440300230000 its reverse (3200304413), we get a palindrome (31443500534413).

The spelling of 31440300230000 in words is "thirty-one trillion, four hundred forty billion, three hundred million, two hundred thirty thousand".