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2232023131221 = 313313661276623
BaseRepresentation
bin100000011110101110111…
…100100010010001010101
321220101020112022011010120
4200132232330202101111
5243032140410144341
64425213253542153
7320154420402462
oct40365674422125
97811215264116
102232023131221
11790660961494
123006b8044959
1313262c1313b0
147a05d976669
153d0d79ac066
hex207aef22455

2232023131221 has 32 divisors (see below), whose sum is σ = 3220071547392. Its totient is φ = 1367088053760.

The previous prime is 2232023131207. The next prime is 2232023131237. The reversal of 2232023131221 is 1221313202322.

It is not a de Polignac number, because 2232023131221 - 214 = 2232023114837 is a prime.

It is a super-3 number, since 3×22320231312213 (a number of 38 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2232023131191 and 2232023131200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2232023131271) 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, 7930516 + ... + 8207138.

It is an arithmetic number, because the mean of its divisors is an integer number (100627235856).

Almost surely, 22232023131221 is an apocalyptic number.

It is an amenable number.

2232023131221 is a deficient number, since it is larger than the sum of its proper divisors (988048416171).

2232023131221 is a wasteful number, since it uses less digits than its factorization.

2232023131221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277613.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 2232023131221 its reverse (1221313202322), we get a palindrome (3453336333543).

The spelling of 2232023131221 in words is "two trillion, two hundred thirty-two billion, twenty-three million, one hundred thirty-one thousand, two hundred twenty-one".

Divisors: 1 3 13 39 313 661 939 1983 4069 8593 12207 25779 206893 276623 620679 829869 2689609 3596099 8068827 10788297 86582999 182847803 259748997 548543409 1125578987 2377021439 3376736961 7131064317 57231362339 171694087017 744007710407 2232023131221