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1313223021310 = 25131322302131
BaseRepresentation
bin10011000111000010001…
…100010001001011111110
311122112122202210112102011
4103013002030101023332
5133003440043140220
62443141502521434
7163606614335044
oct23070214211376
94575582715364
101313223021310
11466a31183882
1219261789627a
1396ab4753ac5
14477bb7aa394
152425ec2c65a
hex131c23112fe

1313223021310 has 8 divisors (see below), whose sum is σ = 2363801438376. Its totient is φ = 525289208520.

The previous prime is 1313223021307. The next prime is 1313223021347. The reversal of 1313223021310 is 131203223131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×13132230213102 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65661151056 + ... + 65661151075.

It is an arithmetic number, because the mean of its divisors is an integer number (295475179797).

Almost surely, 21313223021310 is an apocalyptic number.

1313223021310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1313223021310 is a deficient number, since it is larger than the sum of its proper divisors (1050578417066).

1313223021310 is a wasteful number, since it uses less digits than its factorization.

1313223021310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131322302138.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1313223021310 its reverse (131203223131), we get a palindrome (1444426244441).

The spelling of 1313223021310 in words is "one trillion, three hundred thirteen billion, two hundred twenty-three million, twenty-one thousand, three hundred ten".

Divisors: 1 2 5 10 131322302131 262644604262 656611510655 1313223021310