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131038401 = 3133359959
BaseRepresentation
bin1111100111101…
…11110011000001
3100010120102220010
413303313303001
5232021212101
621000335133
73150544104
oct763676301
9303512803
10131038401
1167a710aa
1237a744a9
13211c0320
141359073b
15b7862d6
hex7cf7cc1

131038401 has 8 divisors (see below), whose sum is σ = 188157760. Its totient is φ = 80638992.

The previous prime is 131038361. The next prime is 131038403. The reversal of 131038401 is 104830131.

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

It is not a de Polignac number, because 131038401 - 222 = 126844097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131038403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1679941 + ... + 1680018.

It is an arithmetic number, because the mean of its divisors is an integer number (23519720).

Almost surely, 2131038401 is an apocalyptic number.

It is an amenable number.

131038401 is a deficient number, since it is larger than the sum of its proper divisors (57119359).

131038401 is a wasteful number, since it uses less digits than its factorization.

131038401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3359975.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 131038401 is about 11447.2005748130. The cubic root of 131038401 is about 507.9249287149.

Adding to 131038401 its reverse (104830131), we get a palindrome (235868532).

The spelling of 131038401 in words is "one hundred thirty-one million, thirty-eight thousand, four hundred one".

Divisors: 1 3 13 39 3359959 10079877 43679467 131038401