Search a number
-
+
214310020231 = 1919757256217
BaseRepresentation
bin1100011110010111011…
…1110110010010000111
3202111011122010000212201
43013211313312102013
512002401331121411
6242241435255331
721324542054416
oct3074567662207
9674148100781
10214310020231
11829854681aa
123564bbaa547
1317294c26978
14a53081947d
1558948e53c1
hex31e5df6487

214310020231 has 8 divisors (see below), whose sum is σ = 226734623280. Its totient is φ = 201999930048.

The previous prime is 214310020217. The next prime is 214310020247. The reversal of 214310020231 is 132020013412.

It is a happy number.

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 214310020231 - 213 = 214310012039 is a prime.

It is a super-2 number, since 2×2143100202312 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 214310020199 and 214310020208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214310020201) 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, 28624366 + ... + 28631851.

It is an arithmetic number, because the mean of its divisors is an integer number (28341827910).

Almost surely, 2214310020231 is an apocalyptic number.

214310020231 is a deficient number, since it is larger than the sum of its proper divisors (12424603049).

214310020231 is a wasteful number, since it uses less digits than its factorization.

214310020231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57256433.

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

Adding to 214310020231 its reverse (132020013412), we get a palindrome (346330033643).

The spelling of 214310020231 in words is "two hundred fourteen billion, three hundred ten million, twenty thousand, two hundred thirty-one".

Divisors: 1 19 197 3743 57256217 1087868123 11279474749 214310020231