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2212220330131 = 779109197186299
BaseRepresentation
bin100000001100010010100…
…110110110000010010011
321211111010102211121221011
4200030102212312002103
5242221111401031011
64412140251111351
7315553611355510
oct40142246660223
97744112747834
102212220330131
11783219781979
122b88b0142557
131307c456cb06
1479101944307
153c8291e5621
hex203129b6093

2212220330131 has 32 divisors (see below), whose sum is σ = 2596872960000. Its totient is φ = 1845584237952.

The previous prime is 2212220330129. The next prime is 2212220330153. The reversal of 2212220330131 is 1310330222122.

It is not a de Polignac number, because 2212220330131 - 21 = 2212220330129 is a prime.

It is a super-2 number, since 2×22122203301312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2212220330171) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11781420 + ... + 11967718.

It is an arithmetic number, because the mean of its divisors is an integer number (81152280000).

Almost surely, 22212220330131 is an apocalyptic number.

2212220330131 is a deficient number, since it is larger than the sum of its proper divisors (384652629869).

2212220330131 is a wasteful number, since it uses less digits than its factorization.

2212220330131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186691.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 2212220330131 its reverse (1310330222122), we get a palindrome (3522550552253).

The spelling of 2212220330131 in words is "two trillion, two hundred twelve billion, two hundred twenty million, three hundred thirty thousand, one hundred thirty-one".

Divisors: 1 7 79 109 197 553 763 1379 8611 15563 21473 60277 108941 150311 186299 1304093 1696367 11874569 14717621 20306591 36700903 103023347 142146137 256906321 1604220689 2899371337 4000398427 11229544823 20295599359 28002788989 316031475733 2212220330131