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1314251311 = 2515236061
BaseRepresentation
bin100111001010101…
…1110001000101111
310101120222212212111
41032111132020233
510142422020221
6334224544451
744365644322
oct11625361057
93346885774
101314251311
1161495150a
12308182127
1317c3878c9
14c67907b9
157a5a7be1
hex4e55e22f

1314251311 has 4 divisors (see below), whose sum is σ = 1319487624. Its totient is φ = 1309015000.

The previous prime is 1314251273. The next prime is 1314251329. The reversal of 1314251311 is 1131524131.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1131524131 = 1766560243.

It is a cyclic number.

It is not a de Polignac number, because 1314251311 - 29 = 1314250799 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 (1314258311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2617780 + ... + 2618281.

It is an arithmetic number, because the mean of its divisors is an integer number (329871906).

Almost surely, 21314251311 is an apocalyptic number.

1314251311 is a deficient number, since it is larger than the sum of its proper divisors (5236313).

1314251311 is an equidigital number, since it uses as much as digits as its factorization.

1314251311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5236312.

The product of its digits is 360, while the sum is 22.

The square root of 1314251311 is about 36252.6041961126. The cubic root of 1314251311 is about 1095.3665463163.

Adding to 1314251311 its reverse (1131524131), we get a palindrome (2445775442).

The spelling of 1314251311 in words is "one billion, three hundred fourteen million, two hundred fifty-one thousand, three hundred eleven".

Divisors: 1 251 5236061 1314251311