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20223021310031 = 83739329703463
BaseRepresentation
bin1001001100100100010100…
…00000000110000001001111
32122121022011010101220121102
410212102022000012001033
510122313221423410111
6111002154442453315
74155031214621561
oct446221200060117
978538133356542
1020223021310031
1164975983531a1
122327434b0423b
13b3903ac13847
144dcb299b7331
152510a942913b
hex12648a00604f

20223021310031 has 8 divisors (see below), whose sum is σ = 20494367322240. Its totient is φ = 19952334706392.

The previous prime is 20223021310021. The next prime is 20223021310039. The reversal of 20223021310031 is 13001312032202.

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-20223021310031 is a prime.

It is a super-2 number, since 2×202230213100312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20223021309985 and 20223021310012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20223021310039) 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, 164790395 + ... + 164913068.

It is an arithmetic number, because the mean of its divisors is an integer number (2561795915280).

Almost surely, 220223021310031 is an apocalyptic number.

20223021310031 is a deficient number, since it is larger than the sum of its proper divisors (271346012209).

20223021310031 is an equidigital number, since it uses as much as digits as its factorization.

20223021310031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329704285.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 20223021310031 its reverse (13001312032202), we get a palindrome (33224333342233).

It can be divided in two parts, 2022302 and 1310031, that added together give a palindrome (3332333).

The spelling of 20223021310031 in words is "twenty trillion, two hundred twenty-three billion, twenty-one million, three hundred ten thousand, thirty-one".

Divisors: 1 83 739 61337 329703463 27365387429 243650859157 20223021310031