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131417919 = 3291915889
BaseRepresentation
bin1111101010101…
…00011100111111
3100011021201111100
413311110130333
5232120333134
621012424143
73154014423
oct765243477
9304251440
10131417919
1168200256
1238018053
13212c3ca9
141364cb83
15b80d999
hex7d5473f

131417919 has 12 divisors (see below), whose sum is σ = 190044400. Its totient is φ = 87511104.

The previous prime is 131417917. The next prime is 131417953. The reversal of 131417919 is 919714131.

It is not a de Polignac number, because 131417919 - 21 = 131417917 is a prime.

It is a super-2 number, since 2×1314179192 = 34541338868581122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131417911) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 327 + ... + 16215.

Almost surely, 2131417919 is an apocalyptic number.

131417919 is a deficient number, since it is larger than the sum of its proper divisors (58626481).

131417919 is a wasteful number, since it uses less digits than its factorization.

131417919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16814 (or 16811 counting only the distinct ones).

The product of its digits is 6804, while the sum is 36.

The square root of 131417919 is about 11463.7654808531. The cubic root of 131417919 is about 508.4148127268.

The spelling of 131417919 in words is "one hundred thirty-one million, four hundred seventeen thousand, nine hundred nineteen".

Divisors: 1 3 9 919 2757 8271 15889 47667 143001 14601991 43805973 131417919