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213113321130331 = 438699569734883
BaseRepresentation
bin110000011101001101001111…
…110011011000100101011011
31000221120102201202211110120001
4300131031033303120211123
5210413122040202132311
62033130524055113431
762613633523646326
oct6035151763304533
91027512652743501
10213113321130331
11619a4940a1a566
121ba9a958072877
1391bb66651426b
143a8aa4dd497bd
1519988771974c1
hexc1d34fcd895b

213113321130331 has 8 divisors (see below), whose sum is σ = 218094513595200. Its totient is φ = 208133268152712.

The previous prime is 213113321130329. The next prime is 213113321130349. The reversal of 213113321130331 is 133031123311312.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 213113321130331 - 21 = 213113321130329 is a prime.

It is a super-2 number, since 2×2131133211303312 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 213113321130331.

It is not an unprimeable number, because it can be changed into a prime (213113328130331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 284493385 + ... + 285241498.

It is an arithmetic number, because the mean of its divisors is an integer number (27261814199400).

Almost surely, 2213113321130331 is an apocalyptic number.

213113321130331 is a deficient number, since it is larger than the sum of its proper divisors (4981192464869).

213113321130331 is an equidigital number, since it uses as much as digits as its factorization.

213113321130331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569743625.

The product of its (nonzero) digits is 2916, while the sum is 28.

Adding to 213113321130331 its reverse (133031123311312), we get a palindrome (346144444441643).

The spelling of 213113321130331 in words is "two hundred thirteen trillion, one hundred thirteen billion, three hundred twenty-one million, one hundred thirty thousand, three hundred thirty-one".

Divisors: 1 43 8699 374057 569734883 24498599969 4956123747217 213113321130331