31444213043311 has 8 divisors (see below), whose sum is σ = 33398900629200. Its totient is φ = 29501195234688.

The previous prime is 31444213043293. The next prime is 31444213043333. The reversal of 31444213043311 is 11334031244413.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31444213043311 - 2¹³ = 31444213035119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31444213043371) 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, 2917438761 + ... + 2917449538.

It is an arithmetic number, because the mean of its divisors is an integer number (4174862578650).

Almost surely, 2^{31444213043311} is an apocalyptic number.

31444213043311 is a deficient number, since it is larger than the sum of its proper divisors (1954687585889).

31444213043311 is a wasteful number, since it uses less digits than its factorization.

31444213043311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5834888633.

The product of its (nonzero) digits is 41472, while the sum is 34.

Adding to 31444213043311 its reverse (11334031244413), we get a palindrome (42778244287724).

The spelling of 31444213043311 in words is "thirty-one trillion, four hundred forty-four billion, two hundred thirteen million, forty-three thousand, three hundred eleven".