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33023320221031 = 71311991069116927
BaseRepresentation
bin1111000001000110101110…
…10001010110010101100111
311022220222221222002000012021
413200203113101112111213
513312023224434033111
6154122412012004011
76645566442302020
oct740432721262547
9138828858060167
1033023320221031
11a582125391a78
123854183160607
131557116488cba
148224a14c9c47
153c402b9d2d71
hex1e08d7456567

33023320221031 has 32 divisors (see below), whose sum is σ = 38225969971200. Its totient is φ = 27944209893600.

The previous prime is 33023320220927. The next prime is 33023320221079. The reversal of 33023320221031 is 13012202332033.

It is not a de Polignac number, because 33023320221031 - 219 = 33023319696743 is a prime.

It is a super-2 number, since 2×330233202210312 (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 = 33023320220987 and 33023320221005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33023320227031) 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 31 ways as a sum of consecutive naturals, for example, 1950917290 + ... + 1950934216.

It is an arithmetic number, because the mean of its divisors is an integer number (1194561561600).

Almost surely, 233023320221031 is an apocalyptic number.

33023320221031 is a deficient number, since it is larger than the sum of its proper divisors (5202649750169).

33023320221031 is a wasteful number, since it uses less digits than its factorization.

33023320221031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27955.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 33023320221031 its reverse (13012202332033), we get a palindrome (46035522553064).

The spelling of 33023320221031 in words is "thirty-three trillion, twenty-three billion, three hundred twenty million, two hundred twenty-one thousand, thirty-one".

Divisors: 1 7 131 199 917 1393 10691 16927 26069 74837 118489 182483 1400521 2127509 2217437 3368473 9803647 14892563 15522059 23579311 180966557 278703679 441269963 1266765899 1950925753 3088889741 23706618967 36012344843 165946332769 252086413901 4717617174433 33023320221031