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31232030021333 = 176130117676009
BaseRepresentation
bin1110001100111110001100…
…00011100001011011010101
311002120202022212112112120222
413012133012003201123111
513043201144141140313
6150231444014204125
76402303550650521
oct706370603413325
9132522285475528
1031232030021333
119a5147a803259
123604b877b3645
131457224847cab
1479d8d1790d81
1539263b931208
hex1c67c60e16d5

31232030021333 has 8 divisors (see below), whose sum is σ = 33611326427160. Its totient is φ = 28912968967680.

The previous prime is 31232030021323. The next prime is 31232030021363. The reversal of 31232030021333 is 33312003023213.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4174367938129 + 27057662083204 = 2043127^2 + 5201698^2 .

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 31232030021333 - 210 = 31232030020309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31232030021323) 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, 15058836968 + ... + 15058839041.

It is an arithmetic number, because the mean of its divisors is an integer number (4201415803395).

Almost surely, 231232030021333 is an apocalyptic number.

It is an amenable number.

31232030021333 is a deficient number, since it is larger than the sum of its proper divisors (2379296405827).

31232030021333 is a wasteful number, since it uses less digits than its factorization.

31232030021333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30117676087.

The product of its (nonzero) digits is 5832, while the sum is 26.

Adding to 31232030021333 its reverse (33312003023213), we get a palindrome (64544033044546).

The spelling of 31232030021333 in words is "thirty-one trillion, two hundred thirty-two billion, thirty million, twenty-one thousand, three hundred thirty-three".

Divisors: 1 17 61 1037 30117676009 512000492153 1837178236549 31232030021333