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131014001 = 283462947
BaseRepresentation
bin1111100111100…
…01110101110001
3100010112012102102
413303301311301
5232014422001
621000030145
73150413006
oct763616561
9303465372
10131014001
1167a54838
1237a62355
13211b21a1
14135858ad
15b77de6b
hex7cf1d71

131014001 has 4 divisors (see below), whose sum is σ = 131477232. Its totient is φ = 130550772.

The previous prime is 131013979. The next prime is 131014007. The reversal of 131014001 is 100410131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 131014001 - 210 = 131012977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131014007) 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 3 ways as a sum of consecutive naturals, for example, 231191 + ... + 231756.

It is an arithmetic number, because the mean of its divisors is an integer number (32869308).

Almost surely, 2131014001 is an apocalyptic number.

It is an amenable number.

131014001 is a deficient number, since it is larger than the sum of its proper divisors (463231).

131014001 is an equidigital number, since it uses as much as digits as its factorization.

131014001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463230.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 131014001 is about 11446.1347624427. The cubic root of 131014001 is about 507.8934007112.

Adding to 131014001 its reverse (100410131), we get a palindrome (231424132).

The spelling of 131014001 in words is "one hundred thirty-one million, fourteen thousand, one".

Divisors: 1 283 462947 131014001