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2331530212 = 22111731100549
BaseRepresentation
bin1000101011111000…
…0101001111100100
320000111012000011211
42022332011033210
514233332431322
61023204441204
7111530452114
oct21276051744
96014160154
102331530212
11a970a7180
125509a9204
132b206479b
14181919044
15d9a4db77
hex8af853e4

2331530212 has 48 divisors (see below), whose sum is σ = 4865011200. Its totient is φ = 965260800.

The previous prime is 2331530209. The next prime is 2331530221. The reversal of 2331530212 is 2120351332.

2331530212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27087 + ... + 73462.

It is an arithmetic number, because the mean of its divisors is an integer number (101354400).

Almost surely, 22331530212 is an apocalyptic number.

2331530212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2331530212 is an abundant number, since it is smaller than the sum of its proper divisors (2533480988).

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

2331530212 is a wasteful number, since it uses less digits than its factorization.

2331530212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100612 (or 100610 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 2331530212 is about 48285.9214678564. The cubic root of 2331530212 is about 1326.0106611150.

Adding to 2331530212 its reverse (2120351332), we get a palindrome (4451881544).

The spelling of 2331530212 in words is "two billion, three hundred thirty-one million, five hundred thirty thousand, two hundred twelve".

Divisors: 1 2 4 11 17 22 31 34 44 62 68 124 187 341 374 527 682 748 1054 1364 2108 5797 11594 23188 100549 201098 402196 1106039 1709333 2212078 3117019 3418666 4424156 6234038 6837332 12468076 18802663 34287209 37605326 52989323 68574418 75210652 105978646 137148836 211957292 582882553 1165765106 2331530212