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131321301 = 3311412057
BaseRepresentation
bin1111101001111…
…00110111010101
3100011002210221220
413310330313111
5232104240201
621010400553
73153132636
oct764746725
9304083856
10131321301
1168144701
1237b90159
132128c017
141362588d
15b7e0036
hex7d3cdd5

131321301 has 8 divisors (see below), whose sum is σ = 180743424. Its totient is φ = 84723360.

The previous prime is 131321297. The next prime is 131321303. The reversal of 131321301 is 103123131.

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

It is not a de Polignac number, because 131321301 - 22 = 131321297 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131321303) 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, 705936 + ... + 706121.

It is an arithmetic number, because the mean of its divisors is an integer number (22592928).

Almost surely, 2131321301 is an apocalyptic number.

It is an amenable number.

131321301 is a deficient number, since it is larger than the sum of its proper divisors (49422123).

131321301 is a wasteful number, since it uses less digits than its factorization.

131321301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1412091.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 131321301 is about 11459.5506456405. The cubic root of 131321301 is about 508.2901872424.

Adding to 131321301 its reverse (103123131), we get a palindrome (234444432).

The spelling of 131321301 in words is "one hundred thirty-one million, three hundred twenty-one thousand, three hundred one".

Divisors: 1 3 31 93 1412057 4236171 43773767 131321301