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31222444334 = 220089777103
BaseRepresentation
bin11101000101000000…
…001011000100101110
32222120221112111202012
4131011000023010232
51002420421204314
622202101201222
72153502253334
oct350500130456
988527474665
1031222444334
111227228a604
126074400212
132c37717443
14172293bb54
15c2b0e993e
hex74500b12e

31222444334 has 8 divisors (see below), whose sum is σ = 46836058080. Its totient is φ = 15610424976.

The previous prime is 31222444283. The next prime is 31222444349. The reversal of 31222444334 is 43344422213.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 31222444334.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 348374 + ... + 428729.

It is an arithmetic number, because the mean of its divisors is an integer number (5854507260).

Almost surely, 231222444334 is an apocalyptic number.

31222444334 is a deficient number, since it is larger than the sum of its proper divisors (15613613746).

31222444334 is a wasteful number, since it uses less digits than its factorization.

31222444334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 797194.

The product of its digits is 55296, while the sum is 32.

Adding to 31222444334 its reverse (43344422213), we get a palindrome (74566866547).

The spelling of 31222444334 in words is "thirty-one billion, two hundred twenty-two million, four hundred forty-four thousand, three hundred thirty-four".

Divisors: 1 2 20089 40178 777103 1554206 15611222167 31222444334