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1312320324131 = 23152027375311
BaseRepresentation
bin10011000110001100011…
…000110000001000100011
311122110022212012202200022
4103012030120300020203
5133000113000333011
62442512134544055
7163545343463615
oct23061430601043
94573285182608
101312320324131
1146660867a053
1219240550802b
139699c72486b
144773394adb5
152420a86b8db
hex1318c630223

1312320324131 has 8 divisors (see below), whose sum is σ = 1369390385664. Its totient is φ = 1255251317320.

The previous prime is 1312320324097. The next prime is 1312320324241. The reversal of 1312320324131 is 1314230232131.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1312320324131 - 214 = 1312320307747 is a prime.

It is a super-2 number, since 2×13123203241312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1312320324131.

It is not an unprimeable number, because it can be changed into a prime (1312320524131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3308966 + ... + 3684276.

It is an arithmetic number, because the mean of its divisors is an integer number (171173798208).

Almost surely, 21312320324131 is an apocalyptic number.

1312320324131 is a deficient number, since it is larger than the sum of its proper divisors (57070061533).

1312320324131 is a wasteful number, since it uses less digits than its factorization.

1312320324131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527361.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 1312320324131 its reverse (1314230232131), we get a palindrome (2626550556262).

The spelling of 1312320324131 in words is "one trillion, three hundred twelve billion, three hundred twenty million, three hundred twenty-four thousand, one hundred thirty-one".

Divisors: 1 23 152027 375311 3496621 8632153 57057405397 1312320324131