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131402113 = 6116712899
BaseRepresentation
bin1111101010100…
…00100110000001
3100011020220210221
413311100212001
5232114331423
621012223041
73153620353
oct765204601
9304226727
10131402113
116819a397
123800aa81
13212b9a3b
14136470d3
15b808e5d
hex7d50981

131402113 has 8 divisors (see below), whose sum is σ = 134366400. Its totient is φ = 128464080.

The previous prime is 131402107. The next prime is 131402137. The reversal of 131402113 is 311204131.

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 131402113 - 29 = 131401601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131402143) 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, 3738 + ... + 16636.

It is an arithmetic number, because the mean of its divisors is an integer number (16795800).

Almost surely, 2131402113 is an apocalyptic number.

It is an amenable number.

131402113 is a deficient number, since it is larger than the sum of its proper divisors (2964287).

131402113 is a wasteful number, since it uses less digits than its factorization.

131402113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13127.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 131402113 is about 11463.0760705842. The cubic root of 131402113 is about 508.3944290866.

Adding to 131402113 its reverse (311204131), we get a palindrome (442606244).

The spelling of 131402113 in words is "one hundred thirty-one million, four hundred two thousand, one hundred thirteen".

Divisors: 1 61 167 10187 12899 786839 2154133 131402113