Search a number
-
+
312201113012323 = 857364295347739
BaseRepresentation
bin100011011111100011111110…
…0011100001000100001100011
31111221102010122100122021000121
41012333013330130020201203
5311410100334412343243
63023555113352101111
7122521533423056353
oct10677077434104143
91457363570567017
10312201113012323
1190527826258117
122b022801094797
131052859189c232
145714886260b63
1526161027aa1ed
hex11bf1fc708863

312201113012323 has 4 divisors (see below), whose sum is σ = 312565408360920. Its totient is φ = 311836817663728.

The previous prime is 312201113012231. The next prime is 312201113012387. The reversal of 312201113012323 is 323210311102213.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-312201113012323 is a prime.

It is a super-2 number, since 2×3122011130123232 (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312201113012123) 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, 182147673013 + ... + 182147674726.

It is an arithmetic number, because the mean of its divisors is an integer number (78141352090230).

Almost surely, 2312201113012323 is an apocalyptic number.

312201113012323 is a deficient number, since it is larger than the sum of its proper divisors (364295348597).

312201113012323 is an equidigital number, since it uses as much as digits as its factorization.

312201113012323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364295348596.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 312201113012323 its reverse (323210311102213), we get a palindrome (635411424114536).

The spelling of 312201113012323 in words is "three hundred twelve trillion, two hundred one billion, one hundred thirteen million, twelve thousand, three hundred twenty-three".

Divisors: 1 857 364295347739 312201113012323