31440132435230 has 32 divisors (see below), whose sum is σ = 56606047153920. Its totient is φ = 12572984793600.

The previous prime is 31440132435227. The next prime is 31440132435259. The reversal of 31440132435230 is 3253423104413.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 895993526 + ... + 896028614.

It is an arithmetic number, because the mean of its divisors is an integer number (1768938973560).

Almost surely, 2^{31440132435230} is an apocalyptic number.

31440132435230 is a deficient number, since it is larger than the sum of its proper divisors (25165914718690).

31440132435230 is a wasteful number, since it uses less digits than its factorization.

31440132435230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54404.

The product of its (nonzero) digits is 103680, while the sum is 35.

Adding to 31440132435230 its reverse (3253423104413), we get a palindrome (34693555539643).

The spelling of 31440132435230 in words is "thirty-one trillion, four hundred forty billion, one hundred thirty-two million, four hundred thirty-five thousand, two hundred thirty".