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312133121113 = 11263107892541
BaseRepresentation
bin1001000101011001001…
…01010111010001011001
31002211200002112102221011
410202230211113101121
520103222034333423
6355220400013521
731356643516312
oct4425445272131
91084602472834
10312133121113
11110414011820
12505b09012a1
1323584732708
14111706d3609
1581bc977b0d
hex48ac957459

312133121113 has 8 divisors (see below), whose sum is σ = 341803573056. Its totient is φ = 282678454800.

The previous prime is 312133121089. The next prime is 312133121119. The reversal of 312133121113 is 311121331213.

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 312133121113 - 25 = 312133121081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (312133121119) 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, 53943378 + ... + 53949163.

It is an arithmetic number, because the mean of its divisors is an integer number (42725446632).

Almost surely, 2312133121113 is an apocalyptic number.

It is an amenable number.

312133121113 is a deficient number, since it is larger than the sum of its proper divisors (29670451943).

312133121113 is a wasteful number, since it uses less digits than its factorization.

312133121113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107892815.

The product of its digits is 324, while the sum is 22.

Adding to 312133121113 its reverse (311121331213), we get a palindrome (623254452326).

The spelling of 312133121113 in words is "three hundred twelve billion, one hundred thirty-three million, one hundred twenty-one thousand, one hundred thirteen".

Divisors: 1 11 263 2893 107892541 1186817951 28375738283 312133121113