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31000301122 = 2738346312487
BaseRepresentation
bin11100110111110000…
…110000111001000010
32222000110112110112211
4130313300300321002
51001442034113442
622124044012334
72145134132440
oct346760607102
988013473484
1031000301122
111216895307a
126011b310aa
132c006a935b
141701233b90
15c16869617
hex737c30e42

31000301122 has 32 divisors (see below), whose sum is σ = 53401485312. Its totient is φ = 13221475344.

The previous prime is 31000301119. The next prime is 31000301131. The reversal of 31000301122 is 22110300013.

It is a super-2 number, since 2×310003011222 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2476363 + ... + 2488849.

It is an arithmetic number, because the mean of its divisors is an integer number (1668796416).

Almost surely, 231000301122 is an apocalyptic number.

31000301122 is a deficient number, since it is larger than the sum of its proper divisors (22401184190).

31000301122 is a wasteful number, since it uses less digits than its factorization.

31000301122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13342.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 31000301122 its reverse (22110300013), we get a palindrome (53110601135).

The spelling of 31000301122 in words is "thirty-one billion, three hundred one thousand, one hundred twenty-two".

Divisors: 1 2 7 14 383 463 766 926 2681 3241 5362 6482 12487 24974 87409 174818 177329 354658 1241303 2482606 4782521 5781481 9565042 11562962 33477647 40470367 66955294 80940734 2214307223 4428614446 15500150561 31000301122