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2331231012123 = 313111149537793
BaseRepresentation
bin100001111011001000001…
…100100100010100011011
322020212022111102200020220
4201323020030210110123
5301143330114341443
64542541443051123
7330266035440036
oct41731014442433
98225274380226
102331231012123
11819740149802
12317984670aa3
1313baac7ba0c0
1480b9172001d
15409923c9a83
hex21ec832451b

2331231012123 has 16 divisors (see below), whose sum is σ = 3347444973600. Its totient is φ = 1434588125184.

The previous prime is 2331231012101. The next prime is 2331231012157. The reversal of 2331231012123 is 3212101321332.

It is not a de Polignac number, because 2331231012123 - 212 = 2331231008027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2331231012093 and 2331231012102.

It is not an unprimeable number, because it can be changed into a prime (2331231012193) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4065915 + ... + 4603707.

It is an arithmetic number, because the mean of its divisors is an integer number (209215310850).

Almost surely, 22331231012123 is an apocalyptic number.

2331231012123 is a deficient number, since it is larger than the sum of its proper divisors (1016213961477).

2331231012123 is a wasteful number, since it uses less digits than its factorization.

2331231012123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648958.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 2331231012123 its reverse (3212101321332), we get a palindrome (5543332333455).

The spelling of 2331231012123 in words is "two trillion, three hundred thirty-one billion, two hundred thirty-one million, twelve thousand, one hundred twenty-three".

Divisors: 1 3 13 39 111149 333447 537793 1444937 1613379 4334811 6991309 20973927 59775154157 179325462471 777077004041 2331231012123