31230203214 has 48 divisors (see below), whose sum is σ = 76482144000. Its totient is φ = 8453286576.

The previous prime is 31230203203. The next prime is 31230203267. The reversal of 31230203214 is 41230203213.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2789814 + ... + 2800985.

It is an arithmetic number, because the mean of its divisors is an integer number (1593378000).

Almost surely, 2^31230203214 is an apocalyptic number.

31230203214 is an abundant number, since it is smaller than the sum of its proper divisors (45251940786).

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

31230203214 is a wasteful number, since it uses less digits than its factorization.

31230203214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5590837 (or 5590830 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 31230203214 its reverse (41230203213), we get a palindrome (72460406427).

Subtracting 31230203214 from its reverse (41230203213), we obtain a palindrome (9999999999).

The spelling of 31230203214 in words is "thirty-one billion, two hundred thirty million, two hundred three thousand, two hundred fourteen".