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131132202312 = 23337147671399
BaseRepresentation
bin111101000100000010…
…1101001110101001000
3110112110211101002012210
41322020011221311020
54122024320433222
6140124042105120
712321402220506
oct1721005516510
9415424332183
10131132202312
1150681789521
12214b7aab1a0
13c49a61ba27
1464bd9cb676
15362745ad0c
hex1e88169d48

131132202312 has 32 divisors (see below), whose sum is σ = 336690792000. Its totient is φ = 42529362624.

The previous prime is 131132202301. The next prime is 131132202329. The reversal of 131132202312 is 213202231131.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73834812 + ... + 73836587.

It is an arithmetic number, because the mean of its divisors is an integer number (10521587250).

Almost surely, 2131132202312 is an apocalyptic number.

131132202312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131132202312 is an abundant number, since it is smaller than the sum of its proper divisors (205558589688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131132202312 is a wasteful number, since it uses less digits than its factorization.

131132202312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147671445 (or 147671441 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 131132202312 its reverse (213202231131), we get a palindrome (344334433443).

The spelling of 131132202312 in words is "one hundred thirty-one billion, one hundred thirty-two million, two hundred two thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 37 74 111 148 222 296 444 888 147671399 295342798 443014197 590685596 886028394 1181371192 1772056788 3544113576 5463841763 10927683526 16391525289 21855367052 32783050578 43710734104 65566101156 131132202312