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1312300313023 = 7187471473289
BaseRepresentation
bin10011000110001011001…
…100011010100110111111
311122110021110120002121011
4103012023030122212333
5133000042340004043
62442510142020051
7163545011420320
oct23061314324677
94573243502534
101312300313023
114665a8351447
121923ba877627
139699853937b
144773101c447
1524208c1759d
hex1318b31a9bf

1312300313023 has 4 divisors (see below), whose sum is σ = 1499771786320. Its totient is φ = 1124828839728.

The previous prime is 1312300313011. The next prime is 1312300313029. The reversal of 1312300313023 is 3203130032131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1312300313023 - 29 = 1312300312511 is a prime.

It is a super-2 number, since 2×13123003130232 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1312300312985 and 1312300313003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312300313029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93735736638 + ... + 93735736651.

It is an arithmetic number, because the mean of its divisors is an integer number (374942946580).

Almost surely, 21312300313023 is an apocalyptic number.

1312300313023 is a deficient number, since it is larger than the sum of its proper divisors (187471473297).

1312300313023 is an equidigital number, since it uses as much as digits as its factorization.

1312300313023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187471473296.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 1312300313023 its reverse (3203130032131), we get a palindrome (4515430345154).

The spelling of 1312300313023 in words is "one trillion, three hundred twelve billion, three hundred million, three hundred thirteen thousand, twenty-three".

Divisors: 1 7 187471473289 1312300313023