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1314023221 = 71031822501
BaseRepresentation
bin100111001010010…
…0110011100110101
310101120120021222201
41032110212130311
510142342220341
6334220024501
744364004330
oct11624463465
93346507881
101314023221
11614806105
12308092131
1317c307b44
14c6731617
157a560331
hex4e526735

1314023221 has 8 divisors (see below), whose sum is σ = 1516321664. Its totient is φ = 1115370000.

The previous prime is 1314023219. The next prime is 1314023233. The reversal of 1314023221 is 1223204131.

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 1314023221 - 21 = 1314023219 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 (1314023521) 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, 910530 + ... + 911971.

It is an arithmetic number, because the mean of its divisors is an integer number (189540208).

Almost surely, 21314023221 is an apocalyptic number.

It is an amenable number.

1314023221 is a deficient number, since it is larger than the sum of its proper divisors (202298443).

1314023221 is a wasteful number, since it uses less digits than its factorization.

1314023221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1822611.

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

The square root of 1314023221 is about 36249.4582166410. The cubic root of 1314023221 is about 1095.3031752273.

Adding to 1314023221 its reverse (1223204131), we get a palindrome (2537227352).

The spelling of 1314023221 in words is "one billion, three hundred fourteen million, twenty-three thousand, two hundred twenty-one".

Divisors: 1 7 103 721 1822501 12757507 187717603 1314023221