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243410323131013 = 2197631107603751
BaseRepresentation
bin110111010110000101100001…
…110110000100101010000101
31011220211210120221012002212111
4313112011201312010222011
5223401013320210143023
62221405054142021021
7102161546501610343
oct6726054166045205
91156753527162774
10243410323131013
1170615813793625
1223372674877771
13a5a865861b3cc
1444171a01d2993
151d219db33400d
hexdd6161d84a85

243410323131013 has 4 divisors (see below), whose sum is σ = 243411430954528. Its totient is φ = 243409215307500.

The previous prime is 243410323130993. The next prime is 243410323131071. The reversal of 243410323131013 is 310131323014342.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 243410323131013 - 213 = 243410323122821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243410323131713) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 553582113 + ... + 554021638.

It is an arithmetic number, because the mean of its divisors is an integer number (60852857738632).

Almost surely, 2243410323131013 is an apocalyptic number.

It is an amenable number.

243410323131013 is a deficient number, since it is larger than the sum of its proper divisors (1107823515).

243410323131013 is a wasteful number, since it uses less digits than its factorization.

243410323131013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1107823514.

The product of its (nonzero) digits is 15552, while the sum is 31.

Adding to 243410323131013 its reverse (310131323014342), we get a palindrome (553541646145355).

The spelling of 243410323131013 in words is "two hundred forty-three trillion, four hundred ten billion, three hundred twenty-three million, one hundred thirty-one thousand, thirteen".

Divisors: 1 219763 1107603751 243410323131013