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31320332302133 = 720985721320867
BaseRepresentation
bin1110001111100010101010…
…10001111111011100110101
311002220012020210212011210102
413013301111101333130311
513101123020032132013
6150340210110403445
76411551013651440
oct707612521773465
9132805223764712
1031320332302133
119a85973079826
12361a10bb00585
131462657a0bba4
147a3caaddc657
15394aa8c09d58
hex1c7c5547f735

31320332302133 has 8 divisors (see below), whose sum is σ = 35794837733952. Its totient is φ = 26845869931776.

The previous prime is 31320332302117. The next prime is 31320332302241. The reversal of 31320332302133 is 33120323302313.

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

It is not a de Polignac number, because 31320332302133 - 24 = 31320332302117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31320332302096 and 31320332302105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31320332302333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9191435 + ... + 12129432.

It is an arithmetic number, because the mean of its divisors is an integer number (4474354716744).

Almost surely, 231320332302133 is an apocalyptic number.

It is an amenable number.

31320332302133 is a deficient number, since it is larger than the sum of its proper divisors (4474505431819).

31320332302133 is a wasteful number, since it uses less digits than its factorization.

31320332302133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21530731.

The product of its (nonzero) digits is 17496, while the sum is 29.

Adding to 31320332302133 its reverse (33120323302313), we get a palindrome (64440655604446).

The spelling of 31320332302133 in words is "thirty-one trillion, three hundred twenty billion, three hundred thirty-two million, three hundred two thousand, one hundred thirty-three".

Divisors: 1 7 209857 1468999 21320867 149246069 4474333186019 31320332302133