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1311320102101 = 19337204797767
BaseRepresentation
bin10011000101010000110…
…001001101010011010101
311122100202011010012222221
4103011100301031103111
5132441040421231401
62442225004422341
7163511506646452
oct23052061152325
94570664105887
101311320102101
11466145014479
121921865479b1
139687043a5c9
144767ab82829
152419cb447a1
hex13150c4d4d5

1311320102101 has 8 divisors (see below), whose sum is σ = 1384432911680. Its totient is φ = 1238616888768.

The previous prime is 1311320102021. The next prime is 1311320102111. The reversal of 1311320102101 is 1012010231131.

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 1311320102101 - 211 = 1311320100053 is a prime.

It is a super-2 number, since 2×13113201021012 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311320102111) 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, 102392481 + ... + 102405286.

It is an arithmetic number, because the mean of its divisors is an integer number (173054113960).

Almost surely, 21311320102101 is an apocalyptic number.

It is an amenable number.

1311320102101 is a deficient number, since it is larger than the sum of its proper divisors (73112809579).

1311320102101 is a wasteful number, since it uses less digits than its factorization.

1311320102101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204798123.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 1311320102101 its reverse (1012010231131), we get a palindrome (2323330333232).

The spelling of 1311320102101 in words is "one trillion, three hundred eleven billion, three hundred twenty million, one hundred two thousand, one hundred one".

Divisors: 1 19 337 6403 204797767 3891157573 69016847479 1311320102101