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1312303314 = 23731245317
BaseRepresentation
bin100111000111000…
…0010100011010010
310101110022220201110
41032032002203102
510141422201224
6334115114150
744343252120
oct11616024322
93343286643
101312303314
116138409a3
123075a2956
1317bb5504a
14c6404910
157a320929
hex4e3828d2

1312303314 has 16 divisors (see below), whose sum is σ = 2999550528. Its totient is φ = 374943792.

The previous prime is 1312303313. The next prime is 1312303411. The reversal of 1312303314 is 4133032131.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (1312303313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15622617 + ... + 15622700.

It is an arithmetic number, because the mean of its divisors is an integer number (187471908).

Almost surely, 21312303314 is an apocalyptic number.

1312303314 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1312303314 is an abundant number, since it is smaller than the sum of its proper divisors (1687247214).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1312303314 is a wasteful number, since it uses less digits than its factorization.

1312303314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31245329.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 1312303314 is about 36225.7272390769. The cubic root of 1312303314 is about 1094.8250908048.

Adding to 1312303314 its reverse (4133032131), we get a palindrome (5445335445).

The spelling of 1312303314 in words is "one billion, three hundred twelve million, three hundred three thousand, three hundred fourteen".

Divisors: 1 2 3 6 7 14 21 42 31245317 62490634 93735951 187471902 218717219 437434438 656151657 1312303314