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1203211112311 = 13791171578493
BaseRepresentation
bin10001100000100100111…
…110001000111101110111
311021000200211222111222001
4101200210332020331313
5124203134021043221
62320425245520131
7152633456464345
oct21404476107567
94230624874861
101203211112311
1142430833a31a
12175234b73047
1389601947470
1442342ba6995
1521471a81391
hex11824f88f77

1203211112311 has 8 divisors (see below), whose sum is σ = 1312167913280. Its totient is φ = 1096597468512.

The previous prime is 1203211112273. The next prime is 1203211112317. The reversal of 1203211112311 is 1132111123021.

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

It is not a de Polignac number, because 1203211112311 - 27 = 1203211112183 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 (1203211112317) 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, 585788220 + ... + 585790273.

It is an arithmetic number, because the mean of its divisors is an integer number (164020989160).

Almost surely, 21203211112311 is an apocalyptic number.

1203211112311 is a deficient number, since it is larger than the sum of its proper divisors (108956800969).

1203211112311 is a wasteful number, since it uses less digits than its factorization.

1203211112311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1171578585.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 1203211112311 its reverse (1132111123021), we get a palindrome (2335322235332).

The spelling of 1203211112311 in words is "one trillion, two hundred three billion, two hundred eleven million, one hundred twelve thousand, three hundred eleven".

Divisors: 1 13 79 1027 1171578493 15230520409 92554700947 1203211112311