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2232013131 = 3382667153
BaseRepresentation
bin1000010100001001…
…1101000101001011
312202112221000102000
42011002131011023
514032343410011
61005251442043
7106211540625
oct20502350513
95675830360
102232013131
11a45a05557
125235b6323
1329755ca3a
14172611c15
15d0e42356
hex8509d14b

2232013131 has 8 divisors (see below), whose sum is σ = 3306686160. Its totient is φ = 1488008736.

The previous prime is 2232013117. The next prime is 2232013141. The reversal of 2232013131 is 1313102322.

It is not a de Polignac number, because 2232013131 - 231 = 84529483 is a prime.

It is a super-3 number, since 3×22320131313 (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (2232013141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41333550 + ... + 41333603.

It is an arithmetic number, because the mean of its divisors is an integer number (413335770).

Almost surely, 22232013131 is an apocalyptic number.

2232013131 is a deficient number, since it is larger than the sum of its proper divisors (1074673029).

2232013131 is an equidigital number, since it uses as much as digits as its factorization.

2232013131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82667162 (or 82667156 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 2232013131 is about 47244.1862137554. The cubic root of 2232013131 is about 1306.8695782068.

Adding to 2232013131 its reverse (1313102322), we get a palindrome (3545115453).

The spelling of 2232013131 in words is "two billion, two hundred thirty-two million, thirteen thousand, one hundred thirty-one".

Divisors: 1 3 9 27 82667153 248001459 744004377 2232013131