31440042141134 has 16 divisors (see below), whose sum is σ = 51447429691056. Its totient is φ = 14290903800000.

The previous prime is 31440042141119. The next prime is 31440042141139. The reversal of 31440042141134 is 43114124004413.

It is a self number, because there is not a number n which added to its sum of digits gives 31440042141134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31440042141139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20546474 + ... + 22023570.

It is an arithmetic number, because the mean of its divisors is an integer number (3215464355691).

Almost surely, 2^{31440042141134} is an apocalyptic number.

31440042141134 is a deficient number, since it is larger than the sum of its proper divisors (20007387549922).

31440042141134 is a wasteful number, since it uses less digits than its factorization.

31440042141134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2444611.

The product of its (nonzero) digits is 18432, while the sum is 32.

Adding to 31440042141134 its reverse (43114124004413), we get a palindrome (74554166145547).

The spelling of 31440042141134 in words is "thirty-one trillion, four hundred forty billion, forty-two million, one hundred forty-one thousand, one hundred thirty-four".