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1022013131101 = 4481228077021
BaseRepresentation
bin11101101111101001011…
…10101100100101011101
310121200222212000100102221
432313310232230211131
5113221040330143401
62101301212145341
7133560303164554
oct16676456544535
93550885010387
101022013131101
11364484850126
121460a6168251
13754b5a675c1
1437673c44d9b
151b8b90da7a1
hexedf4bac95d

1022013131101 has 4 divisors (see below), whose sum is σ = 1022241212604. Its totient is φ = 1021785049600.

The previous prime is 1022013131077. The next prime is 1022013131141. The reversal of 1022013131101 is 1011313102201.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 718163028025 + 303850103076 = 847445^2 + 551226^2 .

It is a cyclic number.

It is not a de Polignac number, because 1022013131101 - 213 = 1022013122909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022013131141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114034030 + ... + 114042991.

It is an arithmetic number, because the mean of its divisors is an integer number (255560303151).

Almost surely, 21022013131101 is an apocalyptic number.

It is an amenable number.

1022013131101 is a deficient number, since it is larger than the sum of its proper divisors (228081503).

1022013131101 is an equidigital number, since it uses as much as digits as its factorization.

1022013131101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228081502.

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

Adding to 1022013131101 its reverse (1011313102201), we get a palindrome (2033326233302).

The spelling of 1022013131101 in words is "one trillion, twenty-two billion, thirteen million, one hundred thirty-one thousand, one hundred one".

Divisors: 1 4481 228077021 1022013131101