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1012113131321 = 47971361916301
BaseRepresentation
bin11101011101001101010…
…01001100011100111001
310120202102220102020211102
432232212221030130321
5113040301430200241
62052543000541145
7133060051445465
oct16564651143471
93522386366742
101012113131321
11360264527826
121441a27817b5
13745989c0a76
1436db50b34a5
151b4d9dd239b
hexeba6a4c739

1012113131321 has 16 divisors (see below), whose sum is σ = 1044444360960. Its totient is φ = 980234534400.

The previous prime is 1012113131311. The next prime is 1012113131353. The reversal of 1012113131321 is 1231313112101.

It is a cyclic number.

It is not a de Polignac number, because 1012113131321 - 238 = 737235224377 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1012113131293 and 1012113131302.

It is not an unprimeable number, because it can be changed into a prime (1012113131311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62080871 + ... + 62097171.

It is an arithmetic number, because the mean of its divisors is an integer number (65277772560).

Almost surely, 21012113131321 is an apocalyptic number.

It is an amenable number.

1012113131321 is a deficient number, since it is larger than the sum of its proper divisors (32331229639).

1012113131321 is a wasteful number, since it uses less digits than its factorization.

1012113131321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30064.

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 1012113131321 its reverse (1231313112101), we get a palindrome (2243426243422).

The spelling of 1012113131321 in words is "one trillion, twelve billion, one hundred thirteen million, one hundred thirty-one thousand, three hundred twenty-one".

Divisors: 1 47 97 4559 13619 16301 640093 766147 1321043 1581197 62089021 74316259 222003319 10434155993 21534321943 1012113131321