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2312331412220 = 225823314043067
BaseRepresentation
bin100001101001100001101…
…100010100001011111100
322012001112100111112011022
4201221201230110023330
5300341123320142340
64530134223043312
7326026504463504
oct41514154241374
98161470445138
102312331412220
11811721888655
1231418b140538
1313a08a0a32ab
147dcbb63ca04
15402380733b5
hex21a61b142fc

2312331412220 has 24 divisors (see below), whose sum is σ = 4856486120304. Its totient is φ = 924820154496.

The previous prime is 2312331412219. The next prime is 2312331412241. The reversal of 2312331412220 is 222141332132.

It is a self number, because there is not a number n which added to its sum of digits gives 2312331412220.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6856874 + ... + 7186193.

It is an arithmetic number, because the mean of its divisors is an integer number (202353588346).

Almost surely, 22312331412220 is an apocalyptic number.

2312331412220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2312331412220 is an abundant number, since it is smaller than the sum of its proper divisors (2544154708084).

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

2312331412220 is a wasteful number, since it uses less digits than its factorization.

2312331412220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14051309 (or 14051307 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 2312331412220 its reverse (222141332132), we get a palindrome (2534472744352).

The spelling of 2312331412220 in words is "two trillion, three hundred twelve billion, three hundred thirty-one million, four hundred twelve thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 8233 16466 32932 41165 82330 164660 14043067 28086134 56172268 70215335 140430670 280861340 115616570611 231233141222 462466282444 578082853055 1156165706110 2312331412220