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1342131 = 3779809
BaseRepresentation
bin101000111101010110011
32112012001120
411013222303
5320422011
644433323
714256630
oct5075263
92465046
101342131
118373aa
12548843
1337cb7b
1426d187
151b7a06
hex147ab3

1342131 has 16 divisors (see below), whose sum is σ = 2073600. Its totient is φ = 756288.

The previous prime is 1342111. The next prime is 1342139. The reversal of 1342131 is 1312431.

It is not a de Polignac number, because 1342131 - 26 = 1342067 is a prime.

It is a super-3 number, since 3×13421313 = 7252804607833302273, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 1342131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1342139) 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, 1255 + ... + 2063.

It is an arithmetic number, because the mean of its divisors is an integer number (129600).

21342131 is an apocalyptic number.

1342131 is a deficient number, since it is larger than the sum of its proper divisors (731469).

1342131 is an equidigital number, since it uses as much as digits as its factorization.

1342131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 898.

The product of its digits is 72, while the sum is 15.

The square root of 1342131 is about 1158.5037764289. The cubic root of 1342131 is about 110.3057882720.

Adding to 1342131 its reverse (1312431), we get a palindrome (2654562).

The spelling of 1342131 in words is "one million, three hundred forty-two thousand, one hundred thirty-one".