Search a number
-
+
310000220311 = 1928158063349
BaseRepresentation
bin1001000001011010111…
…00111111100010010111
31002122011110002212002011
410200231130333202113
520034340024022221
6354225004325051
731253044252525
oct4405534774227
91078143085064
10310000220311
1110a51a051891
12500b6543787
1323304895432
141100b321315
1580e55b21e1
hex482d73f897

310000220311 has 8 divisors (see below), whose sum is σ = 327477294000. Its totient is φ = 292639273920.

The previous prime is 310000220293. The next prime is 310000220363. The reversal of 310000220311 is 113022000013.

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 310000220311 - 219 = 309999696023 is a prime.

It is a super-2 number, since 2×3100002203112 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 310000220291 and 310000220300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (310000220111) 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, 29026336 + ... + 29037013.

It is an arithmetic number, because the mean of its divisors is an integer number (40934661750).

Almost surely, 2310000220311 is an apocalyptic number.

310000220311 is a deficient number, since it is larger than the sum of its proper divisors (17477073689).

310000220311 is a wasteful number, since it uses less digits than its factorization.

310000220311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58063649.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 310000220311 its reverse (113022000013), we get a palindrome (423022220324).

The spelling of 310000220311 in words is "three hundred ten billion, two hundred twenty thousand, three hundred eleven".

Divisors: 1 19 281 5339 58063349 1103203631 16315801069 310000220311