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213243341302131 = 37127730529260467
BaseRepresentation
bin110000011111000110010101…
…100110111110100101110011
31000222000212100002201112200120
4300133012111212332211303
5210422234330333132011
62033310345534421323
762626215534116520
oct6037062546764563
91028025302645616
10213243341302131
1161a44aa1a16aa8
121babbba3661843
1391ca9b762c46a
143a93065d86147
15199be36b92a06
hexc1f1959be973

213243341302131 has 32 divisors (see below), whose sum is σ = 325208592483840. Its totient is φ = 121753460606976.

The previous prime is 213243341302111. The next prime is 213243341302151. The reversal of 213243341302131 is 131203143342312.

It is an interprime number because it is at equal distance from previous prime (213243341302111) and next prime (213243341302151).

It is not a de Polignac number, because 213243341302131 - 218 = 213243341039987 is a prime.

It is a super-2 number, since 2×2132433413021312 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 213243341302092 and 213243341302101.

It is not an unprimeable number, because it can be changed into a prime (213243341302111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 818565960 + ... + 818826426.

It is an arithmetic number, because the mean of its divisors is an integer number (10162768515120).

Almost surely, 2213243341302131 is an apocalyptic number.

213243341302131 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

213243341302131 is a deficient number, since it is larger than the sum of its proper divisors (111965251181709).

213243341302131 is a wasteful number, since it uses less digits than its factorization.

213243341302131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292283.

The product of its (nonzero) digits is 31104, while the sum is 33.

Adding to 213243341302131 its reverse (131203143342312), we get a palindrome (344446484644443).

The spelling of 213243341302131 in words is "two hundred thirteen trillion, two hundred forty-three billion, three hundred forty-one million, three hundred two thousand, one hundred thirty-one".

Divisors: 1 3 7 21 1277 3831 8939 26817 30529 91587 213703 260467 641109 781401 1823269 5469807 38985533 116956599 272898731 332616359 818696193 997849077 2328314513 6984943539 7951797043 23855391129 55662579301 166987737903 10154444823911 30463334471733 71081113767377 213243341302131