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130131361 = 1961112279
BaseRepresentation
bin1111100000110…
…10010110100001
3100001212100200001
413300122112201
5231303200421
620525100001
73140045503
oct760322641
9301770601
10130131361
1167501688
12376b7601
1320c63509
14133d5d73
15b657691
hex7c1a5a1

130131361 has 8 divisors (see below), whose sum is σ = 139227200. Its totient is φ = 121260240.

The previous prime is 130131359. The next prime is 130131371. The reversal of 130131361 is 163131031.

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 130131361 - 21 = 130131359 is a prime.

It is a super-2 number, since 2×1301313612 = 33868342231424642, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130131371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54981 + ... + 57298.

It is an arithmetic number, because the mean of its divisors is an integer number (17403400).

Almost surely, 2130131361 is an apocalyptic number.

It is an amenable number.

130131361 is a deficient number, since it is larger than the sum of its proper divisors (9095839).

130131361 is a wasteful number, since it uses less digits than its factorization.

130131361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112359.

The product of its (nonzero) digits is 162, while the sum is 19.

The square root of 130131361 is about 11407.5133574325. The cubic root of 130131361 is about 506.7502722049.

Adding to 130131361 its reverse (163131031), we get a palindrome (293262392).

The spelling of 130131361 in words is "one hundred thirty million, one hundred thirty-one thousand, three hundred sixty-one".

Divisors: 1 19 61 1159 112279 2133301 6849019 130131361