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1343131 = 2322539
BaseRepresentation
bin101000111111010011011
32112020102121
411013322123
5320440011
644442111
714262556
oct5077233
92466377
101343131
11838129
12549337
1338046a
1426d69d
151b7e71
hex147e9b

1343131 has 6 divisors (see below), whose sum is σ = 1404620. Its totient is φ = 1284228.

The previous prime is 1343113. The next prime is 1343161. The reversal of 1343131 is 1313431.

It is not a de Polignac number, because 1343131 - 27 = 1343003 is a prime.

It is a super-2 number, since 2×13431312 = 3608001766322, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 6.

It is not an unprimeable number, because it can be changed into a prime (1343161) 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 5 ways as a sum of consecutive naturals, for example, 741 + ... + 1798.

21343131 is an apocalyptic number.

1343131 is a deficient number, since it is larger than the sum of its proper divisors (61489).

1343131 is an equidigital number, since it uses as much as digits as its factorization.

1343131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2585 (or 2562 counting only the distinct ones).

The product of its digits is 108, while the sum is 16.

The square root of 1343131 is about 1158.9352872357. The cubic root of 1343131 is about 110.3331771543. Note that the first 3 decimals are identical.

Adding to 1343131 its reverse (1313431), we get a palindrome (2656562).

The spelling of 1343131 in words is "one million, three hundred forty-three thousand, one hundred thirty-one".

Divisors: 1 23 529 2539 58397 1343131