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1312231230011 = 13293480719443
BaseRepresentation
bin10011000110000111000…
…100111000101000111011
311122110002122120022112002
4103012013010320220323
5132444422143330021
62442455233211215
7163543212263162
oct23060704705073
94573078508462
101312231230011
11466572357349
1219239b700b0b
139698712c050
1447725b983d9
1524202b1d50b
hex13187138a3b

1312231230011 has 8 divisors (see below), whose sum is σ = 1461902166480. Its totient is φ = 1169521732512.

The previous prime is 1312231229993. The next prime is 1312231230031. The reversal of 1312231230011 is 1100321322131.

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 a de Polignac number, because none of the positive numbers 2k-1312231230011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1312231230031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1740359345 + ... + 1740360098.

It is an arithmetic number, because the mean of its divisors is an integer number (182737770810).

Almost surely, 21312231230011 is an apocalyptic number.

1312231230011 is a deficient number, since it is larger than the sum of its proper divisors (149670936469).

1312231230011 is a wasteful number, since it uses less digits than its factorization.

1312231230011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3480719485.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1312231230011 its reverse (1100321322131), we get a palindrome (2412552552142).

The spelling of 1312231230011 in words is "one trillion, three hundred twelve billion, two hundred thirty-one million, two hundred thirty thousand, eleven".

Divisors: 1 13 29 377 3480719443 45249352759 100940863847 1312231230011