Search a number
-
+
12313213210331 = 111139906044417
BaseRepresentation
bin1011001100101110010010…
…1100110000111011011011
31121121010112222222202120222
42303023210230300323123
53103214430040212311
642104340112110255
72410412621250065
oct263134454607333
947533488882528
1012313213210331
113a18005941640
12146a47223538b
136b4191b21337
14307d6990a735
151654655e9adb
hexb32e4b30edb

12313213210331 has 8 divisors (see below), whose sum is σ = 13551468763824. Its totient is φ = 11094769745920.

The previous prime is 12313213210313. The next prime is 12313213210387. The reversal of 12313213210331 is 13301231231321.

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 12313213210331 - 26 = 12313213210267 is a prime.

It is a super-2 number, since 2×123132132103312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12313213210331.

It is not an unprimeable number, because it can be changed into a prime (12313213210301) 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, 4953020966 + ... + 4953023451.

It is an arithmetic number, because the mean of its divisors is an integer number (1693933595478).

Almost surely, 212313213210331 is an apocalyptic number.

12313213210331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12313213210331 is a deficient number, since it is larger than the sum of its proper divisors (1238255553493).

12313213210331 is a wasteful number, since it uses less digits than its factorization.

12313213210331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9906044541.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 12313213210331 its reverse (13301231231321), we get a palindrome (25614444441652).

The spelling of 12313213210331 in words is "twelve trillion, three hundred thirteen billion, two hundred thirteen million, two hundred ten thousand, three hundred thirty-one".

Divisors: 1 11 113 1243 9906044417 108966488587 1119383019121 12313213210331