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2200213231 = 19120275683
BaseRepresentation
bin1000001100100100…
…1001011011101111
312200100002102010221
42003021021123233
514001223310411
61002154112211
7105344334556
oct20311113357
95610072127
102200213231
11a29a65847
12514a1b667
13290aa7728
1416c2d4d9d
15cd260071
hex832496ef

2200213231 has 8 divisors (see below), whose sum is σ = 2213213184. Its totient is φ = 2187229080.

The previous prime is 2200213199. The next prime is 2200213259. The reversal of 2200213231 is 1323120022.

2200213231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2200213231 - 25 = 2200213199 is a prime.

It is a super-2 number, since 2×22002132312 = 9681876523734918722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2200213271) 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, 384316 + ... + 389998.

It is an arithmetic number, because the mean of its divisors is an integer number (276651648).

Almost surely, 22200213231 is an apocalyptic number.

2200213231 is a deficient number, since it is larger than the sum of its proper divisors (12999953).

2200213231 is a wasteful number, since it uses less digits than its factorization.

2200213231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7901.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2200213231 is about 46906.4305932566. The cubic root of 2200213231 is about 1300.6334646477.

Adding to 2200213231 its reverse (1323120022), we get a palindrome (3523333253).

The spelling of 2200213231 in words is "two billion, two hundred million, two hundred thirteen thousand, two hundred thirty-one".

Divisors: 1 191 2027 5683 387157 1085453 11519441 2200213231