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1311313002 = 23991220537
BaseRepresentation
bin100111000101001…
…0000110001101010
310101101110121021020
41032022100301222
510141144004002
6334041553310
744331655656
oct11612206152
93341417236
101311313002
1161322495a
123071a5836
1317b89936c
14c6227a66
157a1c72bc
hex4e290c6a

1311313002 has 16 divisors (see below), whose sum is σ = 2625284352. Its totient is φ = 436661280.

The previous prime is 1311313001. The next prime is 1311313033. The reversal of 1311313002 is 2003131131.

It is not an unprimeable number, because it can be changed into a prime (1311313001) 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 7 ways as a sum of consecutive naturals, for example, 104323 + ... + 116214.

It is an arithmetic number, because the mean of its divisors is an integer number (164080272).

Almost surely, 21311313002 is an apocalyptic number.

1311313002 is an abundant number, since it is smaller than the sum of its proper divisors (1313971350).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1311313002 is a wasteful number, since it uses less digits than its factorization.

1311313002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221533.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 1311313002 is about 36212.0560311065. The cubic root of 1311313002 is about 1094.5496231700.

Adding to 1311313002 its reverse (2003131131), we get a palindrome (3314444133).

The spelling of 1311313002 in words is "one billion, three hundred eleven million, three hundred thirteen thousand, two".

Divisors: 1 2 3 6 991 1982 2973 5946 220537 441074 661611 1323222 218552167 437104334 655656501 1311313002