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33023012221031 = 722095193216601
BaseRepresentation
bin1111000001000110001001…
…11010011011000001100111
311022220222011111111222121212
413200203010322123001213
513312022112112033111
6154122321250302035
76645556012322600
oct740430472330147
9138828144458555
1033023012221031
11a581a87544018
1238540b7b8791b
131557097719a91
14822472632da7
153c400e94398b
hex1e08c4e9b067

33023012221031 has 12 divisors (see below), whose sum is σ = 38414719709280. Its totient is φ = 28305295149600.

The previous prime is 33023012221013. The next prime is 33023012221057. The reversal of 33023012221031 is 13012221032033.

It is not a de Polignac number, because 33023012221031 - 214 = 33023012204647 is a prime.

It is a super-2 number, since 2×330230122210312 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33023012220988 and 33023012221006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33023012221061) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8658131 + ... + 11874731.

It is an arithmetic number, because the mean of its divisors is an integer number (3201226642440).

Almost surely, 233023012221031 is an apocalyptic number.

33023012221031 is a deficient number, since it is larger than the sum of its proper divisors (5391707488249).

33023012221031 is a wasteful number, since it uses less digits than its factorization.

33023012221031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3426134 (or 3426127 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 33023012221031 its reverse (13012221032033), we get a palindrome (46035233253064).

The spelling of 33023012221031 in words is "thirty-three trillion, twenty-three billion, twelve million, two hundred twenty-one thousand, thirty-one".

Divisors: 1 7 49 209519 1466633 3216601 10266431 22516207 157613449 673939024919 4717573174433 33023012221031