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113223131213 = 178380243183
BaseRepresentation
bin110100101110010011…
…1111110000001001101
3101211020201022000012012
41221130213332001031
53323340110144323
6124003004351005
711115526510313
oct1513447760115
9354221260165
10113223131213
1144021562315
1219b3a245465
13a8a51a713a
1456a12b00b3
152e2a064678
hex1a5c9fe04d

113223131213 has 8 divisors (see below), whose sum is σ = 121327694208. Its totient is φ = 105279054784.

The previous prime is 113223131143. The next prime is 113223131261. The reversal of 113223131213 is 312131322311.

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

It is a cyclic number.

It is not a de Polignac number, because 113223131213 - 212 = 113223127117 is a prime.

It is a super-3 number, since 3×1132231312133 (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113223133213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40120181 + ... + 40123002.

It is an arithmetic number, because the mean of its divisors is an integer number (15165961776).

Almost surely, 2113223131213 is an apocalyptic number.

It is an amenable number.

113223131213 is a deficient number, since it is larger than the sum of its proper divisors (8104562995).

113223131213 is an equidigital number, since it uses as much as digits as its factorization.

113223131213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80243283.

The product of its digits is 648, while the sum is 23.

Adding to 113223131213 its reverse (312131322311), we get a palindrome (425354453524).

The spelling of 113223131213 in words is "one hundred thirteen billion, two hundred twenty-three million, one hundred thirty-one thousand, two hundred thirteen".

Divisors: 1 17 83 1411 80243183 1364134111 6660184189 113223131213