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1312321423330 = 25557632353391
BaseRepresentation
bin10011000110001100011…
…100111100011111100010
311122110022221021121111101
4103012030130330133202
5133000113241021310
62442512214305014
7163545356022361
oct23061434743742
94573287247441
101312321423330
1146660925a985
1219240595816a
139699ca1ac88
1447733b557d8
152420a9d743a
hex1318c73c7e2

1312321423330 has 16 divisors (see below), whose sum is σ = 2362221926784. Its totient is φ = 524918932720.

The previous prime is 1312321423307. The next prime is 1312321423397. The reversal of 1312321423330 is 333241232131.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 619066 + ... + 1734325.

It is an arithmetic number, because the mean of its divisors is an integer number (147638870424).

Almost surely, 21312321423330 is an apocalyptic number.

1312321423330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1312321423330 is a deficient number, since it is larger than the sum of its proper divisors (1049900503454).

1312321423330 is a wasteful number, since it uses less digits than its factorization.

1312321423330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2409161.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 1312321423330 its reverse (333241232131), we get a palindrome (1645562655461).

The spelling of 1312321423330 in words is "one trillion, three hundred twelve billion, three hundred twenty-one million, four hundred twenty-three thousand, three hundred thirty".

Divisors: 1 2 5 10 55763 111526 278815 557630 2353391 4706782 11766955 23533910 131232142333 262464284666 656160711665 1312321423330