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1231303211314 = 21168351818837
BaseRepresentation
bin10001111010101111011…
…000111111100100110010
311100201012122020000012021
4101322233120333210302
5130133202110230224
62341353005022054
7154646561415541
oct21725730774462
94321178200167
101231303211314
11435213621070
1217a774b5492a
138c15a970657
1443849a8c158
1522067e3b1e4
hex11eaf63f932

1231303211314 has 16 divisors (see below), whose sum is σ = 2014891739136. Its totient is φ = 559674406000.

The previous prime is 1231303211311. The next prime is 1231303211317. The reversal of 1231303211314 is 4131123031321.

It is an interprime number because it is at equal distance from previous prime (1231303211311) and next prime (1231303211317).

It is a super-2 number, since 2×12313032113142 (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1231303211311) 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, 1094304 + ... + 1913140.

It is an arithmetic number, because the mean of its divisors is an integer number (125930733696).

Almost surely, 21231303211314 is an apocalyptic number.

1231303211314 is a deficient number, since it is larger than the sum of its proper divisors (783588527822).

1231303211314 is a wasteful number, since it uses less digits than its factorization.

1231303211314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 887201.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 1231303211314 its reverse (4131123031321), we get a palindrome (5362426242635).

The spelling of 1231303211314 in words is "one trillion, two hundred thirty-one billion, three hundred three million, two hundred eleven thousand, three hundred fourteen".

Divisors: 1 2 11 22 68351 136702 751861 818837 1503722 1637674 9007207 18014414 55968327787 111936655574 615651605657 1231303211314