31422224412143 has 8 divisors (see below), whose sum is σ = 31582117738512. Its totient is φ = 31262335022016.

The previous prime is 31422224412133. The next prime is 31422224412151. The reversal of 31422224412143 is 34121442222413.

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 31422224412143 - 2⁴ = 31422224412127 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 (31422224412133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15743696 + ... + 17626922.

It is an arithmetic number, because the mean of its divisors is an integer number (3947764717314).

Almost surely, 2^{31422224412143} is an apocalyptic number.

31422224412143 is a deficient number, since it is larger than the sum of its proper divisors (159893326369).

31422224412143 is a wasteful number, since it uses less digits than its factorization.

31422224412143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1968121.

The product of its digits is 73728, while the sum is 35.

Adding to 31422224412143 its reverse (34121442222413), we get a palindrome (65543666634556).

The spelling of 31422224412143 in words is "thirty-one trillion, four hundred twenty-two billion, two hundred twenty-four million, four hundred twelve thousand, one hundred forty-three".