31441044153140 has 24 divisors (see below), whose sum is σ = 66026331248640. Its totient is φ = 12576391275168.

The previous prime is 31441044153133. The next prime is 31441044153247. The reversal of 31441044153140 is 4135144014413.

It is a self number, because there is not a number n which added to its sum of digits gives 31441044153140.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10197389 + ... + 12917771.

It is an arithmetic number, because the mean of its divisors is an integer number (2751097135360).

Almost surely, 2^{31441044153140} is an apocalyptic number.

It is an amenable number.

31441044153140 is an abundant number, since it is smaller than the sum of its proper divisors (34585287095500).

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

31441044153140 is a wasteful number, since it uses less digits than its factorization.

31441044153140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3298271 (or 3298269 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 35.

Adding to 31441044153140 its reverse (4135144014413), we get a palindrome (35576188167553).

The spelling of 31441044153140 in words is "thirty-one trillion, four hundred forty-one billion, forty-four million, one hundred fifty-three thousand, one hundred forty".