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2231133213100 = 2252112028302921
BaseRepresentation
bin100000011101111001111…
…001110001000110101100
321220021221111202121222011
4200131321321301012230
5243023330100304400
64424545103531004
7320123363254141
oct40357171610654
97807844677864
102231133213100
11790244595870
123004a9bb9a64
1313251995791c
1479db76c23c8
153d0847c28ba
hex20779e711ac

2231133213100 has 36 divisors (see below), whose sum is σ = 5281700808888. Its totient is φ = 811321168000.

The previous prime is 2231133213083. The next prime is 2231133213103. The reversal of 2231133213100 is 13123311322.

2231133213100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×22311332131003 (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (2231133213103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1014150361 + ... + 1014152560.

It is an arithmetic number, because the mean of its divisors is an integer number (146713911358).

Almost surely, 22231133213100 is an apocalyptic number.

2231133213100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2231133213100 is an abundant number, since it is smaller than the sum of its proper divisors (3050567595788).

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

2231133213100 is a wasteful number, since it uses less digits than its factorization.

2231133213100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2028302946 (or 2028302939 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 2231133213100 its reverse (13123311322), we get a palindrome (2244256524422).

The spelling of 2231133213100 in words is "two trillion, two hundred thirty-one billion, one hundred thirty-three million, two hundred thirteen thousand, one hundred".

Divisors: 1 2 4 5 10 11 20 22 25 44 50 55 100 110 220 275 550 1100 2028302921 4056605842 8113211684 10141514605 20283029210 22311332131 40566058420 44622664262 50707573025 89245328524 101415146050 111556660655 202830292100 223113321310 446226642620 557783303275 1115566606550 2231133213100