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131361315 = 3522673863
BaseRepresentation
bin1111101010001…
…10101000100011
3100011011211211220
413311012220203
5232112030230
621011310123
73153360411
oct765065043
9304154756
10131361315
1168171778
1237bab343
13212a42b7
14136362b1
15b7ebd10
hex7d46a23

131361315 has 16 divisors (see below), whose sum is σ = 210325248. Its totient is φ = 70010336.

The previous prime is 131361311. The next prime is 131361341. The reversal of 131361315 is 513163131.

It is a cyclic number.

It is not a de Polignac number, because 131361315 - 22 = 131361311 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131361311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32074 + ... + 35936.

It is an arithmetic number, because the mean of its divisors is an integer number (13145328).

Almost surely, 2131361315 is an apocalyptic number.

131361315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

131361315 is a deficient number, since it is larger than the sum of its proper divisors (78963933).

131361315 is a wasteful number, since it uses less digits than its factorization.

131361315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6138.

The product of its digits is 810, while the sum is 24.

The square root of 131361315 is about 11461.2963926425. The cubic root of 131361315 is about 508.3418078554.

The spelling of 131361315 in words is "one hundred thirty-one million, three hundred sixty-one thousand, three hundred fifteen".

Divisors: 1 3 5 15 2267 3863 6801 11335 11589 19315 34005 57945 8757421 26272263 43787105 131361315