31220114442243 has 8 divisors (see below), whose sum is σ = 41675619751248. Its totient is φ = 20789009380704.

The previous prime is 31220114442221. The next prime is 31220114442301. The reversal of 31220114442243 is 34224441102213.

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

It is not a de Polignac number, because 31220114442243 - 2⁸ = 31220114441987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31220114442443) 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, 6100058880 + ... + 6100063997.

It is an arithmetic number, because the mean of its divisors is an integer number (5209452468906).

Almost surely, 2^{31220114442243} is an apocalyptic number.

31220114442243 is a deficient number, since it is larger than the sum of its proper divisors (10455505309005).

31220114442243 is a wasteful number, since it uses less digits than its factorization.

31220114442243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12200123733.

The product of its (nonzero) digits is 36864, while the sum is 33.

Adding to 31220114442243 its reverse (34224441102213), we get a palindrome (65444555544456).

The spelling of 31220114442243 in words is "thirty-one trillion, two hundred twenty billion, one hundred fourteen million, four hundred forty-two thousand, two hundred forty-three".