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31022104301 = 211523281117
BaseRepresentation
bin11100111001000011…
…111011111011101101
32222001222120011212222
4130321003323323231
51002013124314201
622130143205125
72145520351526
oct347103737355
988058504788
1031022104301
111217a195131
1260192a67a5
132c05071446
1417040ab84d
15c1872491b
hex7390fbeed

31022104301 has 8 divisors (see below), whose sum is σ = 31228836384. Its totient is φ = 30815935920.

The previous prime is 31022104283. The next prime is 31022104313. The reversal of 31022104301 is 10340122013.

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 31022104301 - 218 = 31021842157 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31022104301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31022104501) 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, 30206 + ... + 250911.

It is an arithmetic number, because the mean of its divisors is an integer number (3903604548).

Almost surely, 231022104301 is an apocalyptic number.

It is an amenable number.

31022104301 is a deficient number, since it is larger than the sum of its proper divisors (206732083).

31022104301 is a wasteful number, since it uses less digits than its factorization.

31022104301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281851.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 31022104301 its reverse (10340122013), we get a palindrome (41362226314).

The spelling of 31022104301 in words is "thirty-one billion, twenty-two million, one hundred four thousand, three hundred one".

Divisors: 1 211 523 110353 281117 59315687 147024191 31022104301