31214424143 has 8 divisors (see below), whose sum is σ = 35685666720. Its totient is φ = 26746191360.

The previous prime is 31214424133. The next prime is 31214424161. The reversal of 31214424143 is 34142441213.

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

It is not a de Polignac number, because 31214424143 - 2⁴ = 31214424127 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 (31214424133) 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, 730178 + ... + 771743.

It is an arithmetic number, because the mean of its divisors is an integer number (4460708340).

Almost surely, 2^31214424143 is an apocalyptic number.

31214424143 is a deficient number, since it is larger than the sum of its proper divisors (4471242577).

31214424143 is a wasteful number, since it uses less digits than its factorization.

31214424143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1504897.

The product of its digits is 9216, while the sum is 29.

Adding to 31214424143 its reverse (34142441213), we get a palindrome (65356865356).

The spelling of 31214424143 in words is "thirty-one billion, two hundred fourteen million, four hundred twenty-four thousand, one hundred forty-three".