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131404304213 = 7133146580753
BaseRepresentation
bin111101001100001001…
…1101000111101010101
3110120011210101021211222
41322120103220331111
54123104000213323
6140211042140125
712331215104510
oct1723023507525
9416153337758
10131404304213
1150801338726
1221573051645
13c511acc480
146507bbbd77
1536412a89c8
hex1e984e8f55

131404304213 has 16 divisors (see below), whose sum is σ = 166945422336. Its totient is φ = 100614424320.

The previous prime is 131404304203. The next prime is 131404304233. The reversal of 131404304213 is 312403404131.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 131404304213 - 26 = 131404304149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131404304203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23287556 + ... + 23293197.

It is an arithmetic number, because the mean of its divisors is an integer number (10434088896).

Almost surely, 2131404304213 is an apocalyptic number.

131404304213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

131404304213 is a deficient number, since it is larger than the sum of its proper divisors (35541118123).

131404304213 is a wasteful number, since it uses less digits than its factorization.

131404304213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46580804.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 131404304213 its reverse (312403404131), we get a palindrome (443807708344).

The spelling of 131404304213 in words is "one hundred thirty-one billion, four hundred four million, three hundred four thousand, two hundred thirteen".

Divisors: 1 7 13 31 91 217 403 2821 46580753 326065271 605549789 1444003343 4238848523 10108023401 18772043459 131404304213