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1021122131313 = 32831202735137
BaseRepresentation
bin11101101101111111001…
…11110011010101110001
310121121200202102212111210
432312333213303111301
5113212224231200223
62101032543030333
7133526233622544
oct16667747632561
93547622385453
101021122131313
11364067905869
12145a9789b3a9
13753a32a26ab
14375cb78c85b
151b865c8a893
hexedbf9f3571

1021122131313 has 8 divisors (see below), whose sum is σ = 1366307116768. Its totient is φ = 678342616704.

The previous prime is 1021122131297. The next prime is 1021122131329. The reversal of 1021122131313 is 3131312211201.

It is an interprime number because it is at equal distance from previous prime (1021122131297) and next prime (1021122131329).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1021122131313 - 24 = 1021122131297 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1021122131313.

It is not an unprimeable number, because it can be changed into a prime (1021122131353) 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, 601366720 + ... + 601368417.

It is an arithmetic number, because the mean of its divisors is an integer number (170788389596).

Almost surely, 21021122131313 is an apocalyptic number.

It is an amenable number.

1021122131313 is a deficient number, since it is larger than the sum of its proper divisors (345184985455).

1021122131313 is a wasteful number, since it uses less digits than its factorization.

1021122131313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1202735423.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 1021122131313 its reverse (3131312211201), we get a palindrome (4152434342514).

The spelling of 1021122131313 in words is "one trillion, twenty-one billion, one hundred twenty-two million, one hundred thirty-one thousand, three hundred thirteen".

Divisors: 1 3 283 849 1202735137 3608205411 340374043771 1021122131313