31440134222223 has 8 divisors (see below), whose sum is σ = 43365702375600. Its totient is φ = 20237327775168.

The previous prime is 31440134222179. The next prime is 31440134222243. The reversal of 31440134222223 is 32222243104413.

It is a happy number.

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

It is not a de Polignac number, because 31440134222223 - 2²⁶ = 31440067113359 is a prime.

It is a super-2 number, since 2×31440134222223² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31440134222243) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 180690426478 + ... + 180690426651.

It is an arithmetic number, because the mean of its divisors is an integer number (5420712796950).

Almost surely, 2^{31440134222223} is an apocalyptic number.

31440134222223 is a deficient number, since it is larger than the sum of its proper divisors (11925568153377).

31440134222223 is a wasteful number, since it uses less digits than its factorization.

31440134222223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361380853161.

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 31440134222223 its reverse (32222243104413), we get a palindrome (63662377326636).

The spelling of 31440134222223 in words is "thirty-one trillion, four hundred forty billion, one hundred thirty-four million, two hundred twenty-two thousand, two hundred twenty-three".