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2131222330110 = 235277256464781
BaseRepresentation
bin11111000000110110101…
…111111111101011111110
321112202001112210220021110
4133000312233333223332
5234404220404030420
64311023042542450
7306655450623036
oct37006657775376
97482045726243
102131222330110
11751934498695
122a5066067a26
13125c8674b253
147521a41c8c6
153a6882dcee0
hex1f036bffafe

2131222330110 has 32 divisors (see below), whose sum is σ = 5133399076512. Its totient is φ = 566274234240.

The previous prime is 2131222330091. The next prime is 2131222330117. The reversal of 2131222330110 is 110332221312.

It is a super-2 number, since 2×21312223301102 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131222330117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128224081 + ... + 128240700.

It is an arithmetic number, because the mean of its divisors is an integer number (160418721141).

Almost surely, 22131222330110 is an apocalyptic number.

2131222330110 is an abundant number, since it is smaller than the sum of its proper divisors (3002176746402).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2131222330110 is a wasteful number, since it uses less digits than its factorization.

2131222330110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256465068.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 2131222330110 its reverse (110332221312), we get a palindrome (2241554551422).

The spelling of 2131222330110 in words is "two trillion, one hundred thirty-one billion, two hundred twenty-two million, three hundred thirty thousand, one hundred ten".

Divisors: 1 2 3 5 6 10 15 30 277 554 831 1385 1662 2770 4155 8310 256464781 512929562 769394343 1282323905 1538788686 2564647810 3846971715 7693943430 71040744337 142081488674 213122233011 355203721685 426244466022 710407443370 1065611165055 2131222330110