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131516353 = 317159753
BaseRepresentation
bin1111101011011…
…00011111000001
3100011110201112001
413311230133001
5232132010403
621014504001
73154604413
oct765543701
9304421461
10131516353
1168268201
1238065001
1321329a37
14136769b3
15b82cc1d
hex7d6c7c1

131516353 has 8 divisors (see below), whose sum is σ = 137673216. Its totient is φ = 125479200.

The previous prime is 131516339. The next prime is 131516381. The reversal of 131516353 is 353615131.

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

It is a cyclic number.

It is not a de Polignac number, because 131516353 - 25 = 131516321 is a prime.

It is a super-2 number, since 2×1315163532 = 34593102212841218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131516053) 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, 27676 + ... + 32077.

It is an arithmetic number, because the mean of its divisors is an integer number (17209152).

Almost surely, 2131516353 is an apocalyptic number.

It is an amenable number.

131516353 is a deficient number, since it is larger than the sum of its proper divisors (6156863).

131516353 is an equidigital number, since it uses as much as digits as its factorization.

131516353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59855.

The product of its digits is 4050, while the sum is 28.

The square root of 131516353 is about 11468.0579436974. The cubic root of 131516353 is about 508.5417178306.

The spelling of 131516353 in words is "one hundred thirty-one million, five hundred sixteen thousand, three hundred fifty-three".

Divisors: 1 31 71 2201 59753 1852343 4242463 131516353