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1311253341 = 34678291129
BaseRepresentation
bin100111000101000…
…0010001101011101
310101101100120102120
41032022002031131
510141140101331
6334040413153
744331320016
oct11612021535
93341316376
101311253341
11613194052
123071771b9
1317b878168
14c621000d
157a1b4796
hex4e28235d

1311253341 has 16 divisors (see below), whose sum is σ = 1755748800. Its totient is φ = 870473088.

The previous prime is 1311253271. The next prime is 1311253343. The reversal of 1311253341 is 1433521131.

It is not a de Polignac number, because 1311253341 - 29 = 1311252829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311253343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1160865 + ... + 1161993.

It is an arithmetic number, because the mean of its divisors is an integer number (109734300).

Almost surely, 21311253341 is an apocalyptic number.

It is an amenable number.

1311253341 is a deficient number, since it is larger than the sum of its proper divisors (444495459).

1311253341 is a wasteful number, since it uses less digits than its factorization.

1311253341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2428.

The product of its digits is 1080, while the sum is 24.

The square root of 1311253341 is about 36211.2322491240. The cubic root of 1311253341 is about 1094.5330232900.

Adding to 1311253341 its reverse (1433521131), we get a palindrome (2744774472).

The spelling of 1311253341 in words is "one billion, three hundred eleven million, two hundred fifty-three thousand, three hundred forty-one".

Divisors: 1 3 467 829 1129 1401 2487 3387 387143 527243 935941 1161429 1581729 2807823 437084447 1311253341