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11313120131 = 43823319679
BaseRepresentation
bin10101000100101000…
…01000001110000011
31002012102122001022022
422202110020032003
5141132124321011
65110331232055
7550230635345
oct124224101603
932172561268
1011313120131
114885a63665
1222388a862b
1310b3a6a231
147946db295
154632e08db
hex2a2508383

11313120131 has 8 divisors (see below), whose sum is σ = 11590318080. Its totient is φ = 11036563272.

The previous prime is 11313120121. The next prime is 11313120151. The reversal of 11313120131 is 13102131311.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11313120131 is a prime.

It is a super-2 number, since 2×113131201312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11313120121) 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, 124451 + ... + 195228.

It is an arithmetic number, because the mean of its divisors is an integer number (1448789760).

Almost surely, 211313120131 is an apocalyptic number.

11313120131 is a deficient number, since it is larger than the sum of its proper divisors (277197949).

11313120131 is an equidigital number, since it uses as much as digits as its factorization.

11313120131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320545.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 11313120131 its reverse (13102131311), we get a palindrome (24415251442).

The spelling of 11313120131 in words is "eleven billion, three hundred thirteen million, one hundred twenty thousand, one hundred thirty-one".

Divisors: 1 43 823 35389 319679 13746197 263095817 11313120131