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1313031032 = 23164128879
BaseRepresentation
bin100111001000011…
…0100001101111000
310101111200212221222
41032100310031320
510142113443112
6334142451212
744352402545
oct11620641570
93344625858
101313031032
11614198715
12307893b08
1317c04b351
14c6553bcc
157a416372
hex4e434378

1313031032 has 8 divisors (see below), whose sum is σ = 2461933200. Its totient is φ = 656515512.

The previous prime is 1313031019. The next prime is 1313031037. The reversal of 1313031032 is 2301303131.

Adding to 1313031032 its reverse (2301303131), we get a palindrome (3614334163).

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 1313031032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313031037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82064432 + ... + 82064447.

It is an arithmetic number, because the mean of its divisors is an integer number (307741650).

Almost surely, 21313031032 is an apocalyptic number.

It is an amenable number.

1313031032 is a deficient number, since it is larger than the sum of its proper divisors (1148902168).

1313031032 is a wasteful number, since it uses less digits than its factorization.

1313031032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164128885 (or 164128881 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 1313031032 is about 36235.7700621913. The cubic root of 1313031032 is about 1095.0274263197.

The spelling of 1313031032 in words is "one billion, three hundred thirteen million, thirty-one thousand, thirty-two".

Divisors: 1 2 4 8 164128879 328257758 656515516 1313031032