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131303332 = 22191171863
BaseRepresentation
bin1111101001110…
…00011110100100
3100011001220022101
413310320132210
5232103201312
621010141444
73153026356
oct764703644
9304056271
10131303332
1168132156
1237b81884
1321283aa4
141361d0d6
15b7d9a57
hex7d387a4

131303332 has 12 divisors (see below), whose sum is σ = 230985216. Its totient is φ = 65307560.

The previous prime is 131303327. The next prime is 131303363. The reversal of 131303332 is 233303131.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85168 + ... + 86695.

It is an arithmetic number, because the mean of its divisors is an integer number (19248768).

Almost surely, 2131303332 is an apocalyptic number.

It is an amenable number.

131303332 is a deficient number, since it is larger than the sum of its proper divisors (99681884).

131303332 is a wasteful number, since it uses less digits than its factorization.

131303332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172058 (or 172056 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 19.

The square root of 131303332 is about 11458.7666002934. The cubic root of 131303332 is about 508.2670026742.

Adding to 131303332 its reverse (233303131), we get a palindrome (364606463).

The spelling of 131303332 in words is "one hundred thirty-one million, three hundred three thousand, three hundred thirty-two".

Divisors: 1 2 4 191 382 764 171863 343726 687452 32825833 65651666 131303332