31440201230000 has 100 divisors (see below), whose sum is σ = 78744695069040. Its totient is φ = 12142422432000.

The previous prime is 31440201229993. The next prime is 31440201230051. The reversal of 31440201230000 is 3210204413.

It is a tau number, because it is divible by the number of its divisors (100).

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

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 53917244 + ... + 54497243.

Almost surely, 2^{31440201230000} is an apocalyptic number.

It is an amenable number.

31440201230000 is an abundant number, since it is smaller than the sum of its proper divisors (47304493839040).

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

31440201230000 is a wasteful number, since it uses less digits than its factorization.

31440201230000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108414544 (or 108414523 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 31440201230000 its reverse (3210204413), we get a palindrome (31443411434413).

The spelling of 31440201230000 in words is "thirty-one trillion, four hundred forty billion, two hundred one million, two hundred thirty thousand".