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1313142441 = 313171980607
BaseRepresentation
bin100111001000100…
…1111011010101001
310101111220112210020
41032101033122221
510142131024231
6334145111053
744353345422
oct11621173251
93344815706
101313142441
11614264396
12307928489
1317c089c80
14c6582649
157a439396
hex4e44f6a9

1313142441 has 16 divisors (see below), whose sum is σ = 1996452864. Its totient is φ = 760552704.

The previous prime is 1313142437. The next prime is 1313142443. The reversal of 1313142441 is 1442413131.

It is not a de Polignac number, because 1313142441 - 22 = 1313142437 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1313142443) 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, 989641 + ... + 990966.

It is an arithmetic number, because the mean of its divisors is an integer number (124778304).

Almost surely, 21313142441 is an apocalyptic number.

It is an amenable number.

1313142441 is a deficient number, since it is larger than the sum of its proper divisors (683310423).

1313142441 is a wasteful number, since it uses less digits than its factorization.

1313142441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1980640.

The product of its digits is 1152, while the sum is 24.

The square root of 1313142441 is about 36237.3073089047. The cubic root of 1313142441 is about 1095.0583960017.

Adding to 1313142441 its reverse (1442413131), we get a palindrome (2755555572).

The spelling of 1313142441 in words is "one billion, three hundred thirteen million, one hundred forty-two thousand, four hundred forty-one".

Divisors: 1 3 13 17 39 51 221 663 1980607 5941821 25747891 33670319 77243673 101010957 437714147 1313142441