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131321342413 = 208762923499
BaseRepresentation
bin111101001001101011…
…1001010100111001101
3110112222000021101122201
41322103113022213031
54122421230424123
6140154520041501
712326156664412
oct1722327124715
9415860241581
10131321342413
1150769524258
122154b303291
13c4ca872c51
1464dab84109
153638d6c5ad
hex1e935ca9cd

131321342413 has 4 divisors (see below), whose sum is σ = 131384268000. Its totient is φ = 131258416828.

The previous prime is 131321342407. The next prime is 131321342417. The reversal of 131321342413 is 314243123131.

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 131321342413 - 217 = 131321211341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131321342417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31459663 + ... + 31463836.

It is an arithmetic number, because the mean of its divisors is an integer number (32846067000).

Almost surely, 2131321342413 is an apocalyptic number.

It is an amenable number.

131321342413 is a deficient number, since it is larger than the sum of its proper divisors (62925587).

131321342413 is an equidigital number, since it uses as much as digits as its factorization.

131321342413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62925586.

The product of its digits is 5184, while the sum is 28.

Adding to 131321342413 its reverse (314243123131), we get a palindrome (445564465544).

The spelling of 131321342413 in words is "one hundred thirty-one billion, three hundred twenty-one million, three hundred forty-two thousand, four hundred thirteen".

Divisors: 1 2087 62923499 131321342413