Search a number
-
+
312213301022 = 2743223515951
BaseRepresentation
bin1001000101100010101…
…11001110011100011110
31002211212200102000002102
410202301113032130132
520103403101113042
6355232342325102
731361636162060
oct4426127163436
91084780360072
10312213301022
111104552a6107
1250613729792
132359822694c
141117b205730
1581c4a14b32
hex48b15ce71e

312213301022 has 16 divisors (see below), whose sum is σ = 535236221952. Its totient is φ = 133802345400.

The previous prime is 312213301021. The next prime is 312213301051. The reversal of 312213301022 is 220103312213.

It is a junction number, because it is equal to n+sod(n) for n = 312213300985 and 312213301003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312213301021) 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, 347147 + ... + 863097.

It is an arithmetic number, because the mean of its divisors is an integer number (33452263872).

Almost surely, 2312213301022 is an apocalyptic number.

312213301022 is a deficient number, since it is larger than the sum of its proper divisors (223022920930).

312213301022 is a wasteful number, since it uses less digits than its factorization.

312213301022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559183.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 312213301022 its reverse (220103312213), we get a palindrome (532316613235).

The spelling of 312213301022 in words is "three hundred twelve billion, two hundred thirteen million, three hundred one thousand, twenty-two".

Divisors: 1 2 7 14 43223 86446 302561 515951 605122 1031902 3611657 7223314 22300950073 44601900146 156106650511 312213301022