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131087333 = 1350320047
BaseRepresentation
bin1111101000000…
…11101111100101
3100010122221000102
413310003233211
5232024243313
621001353445
73151136546
oct764035745
9303587012
10131087333
1167aa4943
1237a98885
1321209690
14135a44cd
15b795a58
hex7d03be5

131087333 has 8 divisors (see below), whose sum is σ = 141458688. Its totient is φ = 120757104.

The previous prime is 131087329. The next prime is 131087339. The reversal of 131087333 is 333780131.

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

It is not a de Polignac number, because 131087333 - 22 = 131087329 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 131087296 and 131087305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131087339) 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, 3485 + ... + 16562.

It is an arithmetic number, because the mean of its divisors is an integer number (17682336).

Almost surely, 2131087333 is an apocalyptic number.

131087333 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

131087333 is a deficient number, since it is larger than the sum of its proper divisors (10371355).

131087333 is a wasteful number, since it uses less digits than its factorization.

131087333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20563.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 131087333 is about 11449.3376664329. The cubic root of 131087333 is about 507.9881434912.

The spelling of 131087333 in words is "one hundred thirty-one million, eighty-seven thousand, three hundred thirty-three".

Divisors: 1 13 503 6539 20047 260611 10083641 131087333