31144222343 has 32 divisors (see below), whose sum is σ = 38392482240. Its totient is φ = 24940431360.

The previous prime is 31144222321. The next prime is 31144222367. The reversal of 31144222343 is 34322244113.

It is not a de Polignac number, because 31144222343 - 2⁶ = 31144222279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31144222243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55133 + ... + 255593.

It is an arithmetic number, because the mean of its divisors is an integer number (1199765070).

Almost surely, 2^31144222343 is an apocalyptic number.

31144222343 is a deficient number, since it is larger than the sum of its proper divisors (7248259897).

31144222343 is a wasteful number, since it uses less digits than its factorization.

31144222343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200547.

The product of its digits is 13824, while the sum is 29.

Adding to 31144222343 its reverse (34322244113), we get a palindrome (65466466456).

The spelling of 31144222343 in words is "thirty-one billion, one hundred forty-four million, two hundred twenty-two thousand, three hundred forty-three".