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131122302 = 2337590641
BaseRepresentation
bin1111101000011…
…00010001111110
3100010201200222120
413310030101332
5232031403202
621002223410
73151343523
oct764142176
9303650876
10131122302
1168019143
1237ab4b66
132121c57c
14135b314a
15b7a10bc
hex7d0c47e

131122302 has 16 divisors (see below), whose sum is σ = 269332752. Its totient is φ = 42526080.

The previous prime is 131122297. The next prime is 131122337. The reversal of 131122302 is 203221131.

It is a congruent number.

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, 295099 + ... + 295542.

It is an arithmetic number, because the mean of its divisors is an integer number (16833297).

Almost surely, 2131122302 is an apocalyptic number.

131122302 is an abundant number, since it is smaller than the sum of its proper divisors (138210450).

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

131122302 is a wasteful number, since it uses less digits than its factorization.

131122302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 590683.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 131122302 is about 11450.8646835075. The cubic root of 131122302 is about 508.0333099657.

Adding to 131122302 its reverse (203221131), we get a palindrome (334343433).

The spelling of 131122302 in words is "one hundred thirty-one million, one hundred twenty-two thousand, three hundred two".

Divisors: 1 2 3 6 37 74 111 222 590641 1181282 1771923 3543846 21853717 43707434 65561151 131122302