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31021303011322 = 2131193127038897
BaseRepresentation
bin1110000110110101101011…
…01111110001011111111010
311001211121101221111021201111
413003122311233301133322
513031223112032330242
6145550553451110534
76351133543634041
oct703326557613772
9131747357437644
1031021303011322
11998007390a728
12359017774244a
1314403b1033220
14793620b81558
1538be06893817
hex1c36b5bf17fa

31021303011322 has 8 divisors (see below), whose sum is σ = 50111335633716. Its totient is φ = 14317524466752.

The previous prime is 31021303011313. The next prime is 31021303011397. The reversal of 31021303011322 is 22311030312013.

It can be written as a sum of positive squares in 2 ways, for example, as 30797516301601 + 223786709721 = 5549551^2 + 473061^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 31021303011293 and 31021303011302.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 596563519423 + ... + 596563519474.

Almost surely, 231021303011322 is an apocalyptic number.

31021303011322 is a deficient number, since it is larger than the sum of its proper divisors (19090032622394).

31021303011322 is a wasteful number, since it uses less digits than its factorization.

31021303011322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1193127038912.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 31021303011322 its reverse (22311030312013), we get a palindrome (53332333323335).

The spelling of 31021303011322 in words is "thirty-one trillion, twenty-one billion, three hundred three million, eleven thousand, three hundred twenty-two".

Divisors: 1 2 13 26 1193127038897 2386254077794 15510651505661 31021303011322