Search a number
-
+
312222203101 = 3171271413173
BaseRepresentation
bin1001000101100011110…
…01001011110011011101
31002211220022011021110001
410202301321023303131
520103412340444401
6355233301214301
731362104636464
oct4426171136335
91084808137401
10312222203101
1111045a3263a6
1250616701391
132359a022853
141117c4819db
1581c56c2601
hex48b1e4bcdd

312222203101 has 8 divisors (see below), whose sum is σ = 322339336704. Its totient is φ = 302107910160.

The previous prime is 312222203053. The next prime is 312222203141. The reversal of 312222203101 is 101302222213.

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 312222203101 - 27 = 312222202973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312222203141) 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, 485650 + ... + 927523.

It is an arithmetic number, because the mean of its divisors is an integer number (40292417088).

Almost surely, 2312222203101 is an apocalyptic number.

312222203101 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

312222203101 is a deficient number, since it is larger than the sum of its proper divisors (10117133603).

312222203101 is a wasteful number, since it uses less digits than its factorization.

312222203101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1420331.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 312222203101 its reverse (101302222213), we get a palindrome (413524425314).

The spelling of 312222203101 in words is "three hundred twelve billion, two hundred twenty-two million, two hundred three thousand, one hundred one".

Divisors: 1 31 7127 220937 1413173 43808363 10071683971 312222203101