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1311411123430 = 25177714183079
BaseRepresentation
bin10011000101010110001…
…100011011010011100110
311122100222111101120210021
4103011112030123103212
5132441232221422210
62442242015345354
7163513663424662
oct23052614332346
94570874346707
101311411123430
11466191433111
121921b0b2225a
1396886259395
1447688cb78a2
15241a5b23bda
hex1315631b4e6

1311411123430 has 16 divisors (see below), whose sum is σ = 2499395317920. Its totient is φ = 493707716992.

The previous prime is 1311411123389. The next prime is 1311411123431. The reversal of 1311411123430 is 343211141131.

It is a junction number, because it is equal to n+sod(n) for n = 1311411123395 and 1311411123404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311411123431) 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, 3857091370 + ... + 3857091709.

It is an arithmetic number, because the mean of its divisors is an integer number (156212207370).

Almost surely, 21311411123430 is an apocalyptic number.

1311411123430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1311411123430 is a deficient number, since it is larger than the sum of its proper divisors (1187984194490).

1311411123430 is a wasteful number, since it uses less digits than its factorization.

1311411123430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7714183103.

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 1311411123430 its reverse (343211141131), we get a palindrome (1654622264561).

The spelling of 1311411123430 in words is "one trillion, three hundred eleven billion, four hundred eleven million, one hundred twenty-three thousand, four hundred thirty".

Divisors: 1 2 5 10 17 34 85 170 7714183079 15428366158 38570915395 77141830790 131141112343 262282224686 655705561715 1311411123430