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31033221214 = 266192344253
BaseRepresentation
bin11100111001101110…
…010110000001011110
32222002202110222102111
4130321232112001132
51002024001034324
622131221344234
72146014012412
oct347156260136
988082428374
1031033221214
1112185498466
126020b6807a
132c074644b8
141705762d42
15c196bd794
hex739b9605e

31033221214 has 8 divisors (see below), whose sum is σ = 46556884440. Its totient is φ = 15514259736.

The previous prime is 31033221209. The next prime is 31033221239. The reversal of 31033221214 is 41212233013.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1158889 + ... + 1185364.

It is an arithmetic number, because the mean of its divisors is an integer number (5819610555).

Almost surely, 231033221214 is an apocalyptic number.

31033221214 is a deficient number, since it is larger than the sum of its proper divisors (15523663226).

31033221214 is a wasteful number, since it uses less digits than its factorization.

31033221214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2350874.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 31033221214 its reverse (41212233013), we get a palindrome (72245454227).

The spelling of 31033221214 in words is "thirty-one billion, thirty-three million, two hundred twenty-one thousand, two hundred fourteen".

Divisors: 1 2 6619 13238 2344253 4688506 15516610607 31033221214