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13143214211 = 121710799683
BaseRepresentation
bin11000011110110010…
…11000100010000011
31020220222021110102112
430033121120202003
5203404130323321
610012104405535
7643462322531
oct141731304203
936828243375
1013143214211
115635002406
1226697768ab
131315c6603a
148c97a9151
1551dce0a5b
hex30f658883

13143214211 has 4 divisors (see below), whose sum is σ = 13154015112. Its totient is φ = 13132413312.

The previous prime is 13143214193. The next prime is 13143214283. The reversal of 13143214211 is 11241234131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13143214211 - 226 = 13076105347 is a prime.

It is a super-3 number, since 3×131432142113 (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13143216211) 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, 5398625 + ... + 5401058.

It is an arithmetic number, because the mean of its divisors is an integer number (3288503778).

Almost surely, 213143214211 is an apocalyptic number.

13143214211 is a deficient number, since it is larger than the sum of its proper divisors (10800901).

13143214211 is a wasteful number, since it uses less digits than its factorization.

13143214211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10800900.

The product of its digits is 576, while the sum is 23.

Adding to 13143214211 its reverse (11241234131), we get a palindrome (24384448342).

The spelling of 13143214211 in words is "thirteen billion, one hundred forty-three million, two hundred fourteen thousand, two hundred eleven".

Divisors: 1 1217 10799683 13143214211