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131113211302 = 2155814207471
BaseRepresentation
bin111101000011011110…
…1001101010110100110
3110112102111122020110001
41322012331031112212
54122004440230202
6140122123051514
712321051623233
oct1720675152646
9415374566401
10131113211302
1150671a98277
12214b1670b9a
13c4966cc948
1464bb28678a
153625958d87
hex1e86f4d5a6

131113211302 has 8 divisors (see below), whose sum is σ = 196682486112. Its totient is φ = 65552382600.

The previous prime is 131113211291. The next prime is 131113211309. The reversal of 131113211302 is 203112311131.

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

It is a self number, because there is not a number n which added to its sum of digits gives 131113211302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131113211309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2072574 + ... + 2134897.

It is an arithmetic number, because the mean of its divisors is an integer number (24585310764).

Almost surely, 2131113211302 is an apocalyptic number.

131113211302 is a deficient number, since it is larger than the sum of its proper divisors (65569274810).

131113211302 is a wasteful number, since it uses less digits than its factorization.

131113211302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4223054.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 131113211302 its reverse (203112311131), we get a palindrome (334225522433).

The spelling of 131113211302 in words is "one hundred thirty-one billion, one hundred thirteen million, two hundred eleven thousand, three hundred two".

Divisors: 1 2 15581 31162 4207471 8414942 65556605651 131113211302